Product Description
XIXIHU (WEST LAKE) DIS. CZPT INDUSTRY & TRADING CO., LTD.is located in the new rising port city in Chinese CZPT coastline,
one of the 16 most dynamic cities of yangtze River CZPT Economic Zone—-Xihu (West Lake) Dis. County,HangZhou City,ZHangZhoug Province.
FENGHU is a company specializing in the production of hydraulic hoist, gear pump and hydro-cylinder.It’s hydraulic hoist and gear pump of KP series are sold well in more than a dozen countries and regions in Malaysia,Thailand, Indonesia and the Middle East.And we have a powerful team in the independent research,development and production of the lifting frame and gear pump. We uphold the idea of “eeping for good credit,performing for technological innovation,seeking for excellent quality and fovusing on customers’demand” as our principle.On the basis of customers’Views,we insist on quality-improvement and high-priority-product development,depending on the technology innovatuon. Beyond the voice of customer,FENGHU perseveres in providing the highest-quality product adn the best sevice.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Warranty: | 6 Month |
|---|---|
| Mesh Form: | External Engaged |
| Tooth Flank: | Straight Tooth |
| Tooth Curve: | Cycloid |
| Power: | Hydraulic |
| Type: | Normal Line Gear Pump |
| Customization: |
Available
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Types of vacuum pumps
A vacuum pump is a device that pulls gas molecules out of a sealed volume and maintains a partial vacuum. Its job is to create a relative vacuum within its capabilities. Several types of vacuum pumps are available, including scroll and rotary piston models. Each has its own characteristics and uses. To learn more, read this article.
Screw Pump
Screw vacuum pumps use a mechanical screw to move an air or gas chamber to the axial housing wall. The movement of the chamber reduces the volume of gas, which is pre-compressed before being expelled through the pressure connection. These pumps can be single-pitch models or variable-pitch models. Variable pitch models feature variable pitch rotors that help distribute heat loads evenly across the rotor. Some models also include a thermostatic control valve that shuts off the pump if the water temperature gets too high. Screw vacuum pumps are available in single-ended or double-ended designs. Single-ended and double-ended screw pumps provide up to 3.7 x 10-4 Torr and an ultimate vacuum of 900 m3/h (560 cfm), which is sufficient for many industrial processes. Progressive cavity pumps are particularly suitable for vapor compression applications. These pumps also have an internal rotor to minimize layer formation. Combined with air cooling, they are suitable for use in hazardous environments. In addition, the screw rotor design prevents the build-up of substances in the pump cavity that could react with high temperatures. These pumps are also easily removable for quick cleaning. Screw vacuum pumps are also designed for low cost and minimal maintenance. Agknx screw vacuum pumps are designed in Germany and are very reliable and economical. Pump performance depends on cooling system and temperature. The temperature of the water used should be kept within a certain range, otherwise the pump may overheat and fail. Screw vacuum pumps are often used in scientific experiments. They are standard main pumps in large storage rings, gravitational wave detectors, and space simulation chambers. One of the largest ultra-high vacuum chambers in the world is made of screw vacuum pumps. An example is the KATRIN experiment. There are two types of screw vacuum pumps: oil-sealed and dry. Oil-sealed screw pumps use oil as a sealant and coolant. They are suitable for demanding vacuum applications such as woodworking and plastics processing. Dry screw pumps have an air-cooled chamber, and they can achieve higher vacuum levels than oil-sealed pumps.
Rotary Piston Vacuum Pumps
Rotary Piston Vacuum Pumps provide the rugged performance essential for applications requiring vacuum. They can deliver flow rates up to 1280 acfm and reach deep vacuum levels up to 0.0004 Torr. They are available in single-stage and two-stage models. The report also provides detailed information about the key players, their financial status, and business overview. A rotary piston vacuum pump is a versatile and affordable vacuum device. They are available in single-stage and two-stage configurations with higher capacity and higher vacuum. They can be easily maintained by an in-house maintenance team or by a local third-party service shop. Pump manufacturers can also provide services. Rotary piston vacuum pumps are available in single-stage and compound designs. They are ideal for a variety of applications. Their high-performance design enables them to operate at any pressure up to atmospheric pressure. They also have no metal-to-metal contact, which makes them ideal for dirty applications. Whether you need a pump that can operate at high or low pressure, a rotary piston vacuum pump is an excellent choice. When purchasing a rotary piston vacuum pump, it is important to choose a manufacturer with a reputation for providing high-quality service and repairs. In addition to the high quality of the pump, you also need to ensure its availability. You should also consider the cost and quality of the part. A good vacuum pump company should also provide technical support, service support and accessories. Oil-free pumps are a popular choice for laboratories, clean rooms and confined rooms. Their high-quality parts are made from lightweight, corrosion-resistant and specially formulated polymers. Oil-free pumps can handle high levels of air moisture and are excellent at removing contaminants. However, they are not suitable for applications containing organic vapors or acids. Atlas Copco’s GLS rotary piston pumps are a popular choice for industrial vacuum applications. Its space-saving design makes it an ideal solution for harsh environments. It is also very reliable and has low lifecycle costs. It has an automatic lubrication system and water mizer to minimize water consumption. 
Scroll Vacuum Pumps
<br Scroll Vacuum Pumps can be used to pump air, gases, and other fluids. They are suitable for creating a vacuum in transfer chambers, mass spectrometers, and load lock chambers. They are also ideal for helium leak detectors and other analytical equipment. Scroll vacuum pumps are available in a variety of models, including the diaphragm, turbine, and oil-dry scroll models. They are used in a variety of industries, including the semiconductor, biotechnology, and pharmaceutical industries. Flexible and durable oil-free scroll vacuum pumps are an excellent choice for light industrial, general laboratory, and research applications. They also offer several advantages over other vacuum pumps, including low operating costs and environmental sustainability. Scroll vacuum pumps do not require oil, which is a big advantage in terms of cost. Scroll vacuum pumps are also quieter. Scroll vacuum pumps are designed for low, medium, and high vacuum systems. They create a high vacuum and cannot tolerate particles. Although they are relatively small, they are ideal for vacuum laboratory applications and are also suitable for dry vacuum pumping. They can be combined with chemically resistant PTFE components, making them more suitable for chemical applications. Scroll vacuum pumps feature a unique design that makes them very versatile and efficient. The pump has two helical structures, one is fixed and the other is rotating, which can effectively pump gas and liquid. When the rotor begins to move, the gas is compressed slightly and then flows through the system to the exhaust port. Scroll vacuum pumps are efficient, oil-free and compact. Known for their high tolerance to the atmosphere, they feature sensorless INFORM(r) control to minimize noise and vibration. These vacuum pumps are ideal for low to medium flow applications including analytical equipment, freeze dryers, vacuum coaters and mass spectrometers. The most important advantage of a scroll vacuum pump is its reliability. They can be used for three years or more without problems and are easy to maintain. With proper maintenance, they can reduce repair costs. 
Diaphragm vacuum pumps
Diaphragm vacuum pumps are used in a variety of industrial processes. These pumps use an elastic diaphragm fixed around the outer diameter. They are efficient and can handle most types of liquids. They are commonly used for dewatering, filling and water removal. These pumps are easy to maintain. Diaphragm vacuum pumps are available in a variety of sizes and power outputs. Oil-free diaphragm vacuum pumps do not require oil, lubrication and cooling. These pumps are compatible with many types of laboratory equipment. Diaphragm vacuum pumps are equipped with dual voltage motors and DC drives for greater flexibility and durability. Diaphragm vacuum pumps can achieve higher vacuum levels than rotary vane pumps. They are more efficient than diaphragm pumps. They do not require oil and require less maintenance than their rotary vane counterparts. However, the diaphragms of these pumps may need to be replaced every few years. Diaphragm vacuum pumps are the most popular type of vacuum pump and can be used for a variety of applications. They can be used for everyday work and can be large enough to be used in a vacuum oven or rotary evaporator. Diaphragm vacuum pumps use pulsed motion to move air. They eliminate the need for oil and are highly chemical and steam resistant. They can handle a wide variety of samples, including high viscosity liquids. Diaphragm vacuum pumps are generally smaller than other types of vacuum pumps. Scroll pumps are made of metal and are generally recommended for solvent and water samples. They are not recommended for high acid samples. However, they are suitable for freeze drying. They can also be used for concentration applications. In this way, they have greater displacement capacity and can reach higher ultimate vacuum levels.
editor by Dream 2024-04-27
China Custom Rotary Vane Vacuum Pump Hydraulic Molecular Mechanical with Great quality
Product Description
Product Description
2XZ-4 rotary vane vacuum pump is double stage high speed oil sealed rotary vane vacuum pump (in the following called “the pump” for short).
Its pumping principle is as same as that of 2X type pump .Rotors are eccentrically mounted within the cylindrical housing of the stators and vanes are fitted freely inside the respective slots of the rotor. When the rotor rotates at high speed, vanes in the rotor slot are urged outwards by centrifugal force as well as by spring force so as to keep close contact at their tips with the stator wall throughout rotation.
Thus the inlet port and outlet port on the stator are separated by them. The volume of the space leading to the inlet port expands progressively and periodically with gas filling the space through inlet pipe, meanwhile the volume of the space leading to the outlet port diminishes progressively and periodically to compress the gas previously sucked .By means of gas pressure and oil pressure exhaust valve on the outlet port is opened to expel gas out of the pump through the valve, then vacuum is obtained at the intake side of the pump .
Double stage pump is the arrangement of 2 CHINAMFG pumps in series .When the intake pressure is higher, both stages of the pump may exhaust simultaneously ,while at lower suction pressure gas is first expelled out from first stage to second stage ,then from second stage exhausts to the open air .
Product Application
1. The pump is 1 of the basic equipment to exhaust a sealed vessel. It can be used either independently as main and can also be served as for pump for booster pump diffusion pump and molecular pump or as holding pump for a vacuum system and as a pre-pumping for different kinds of the pumps. So that is can be applied in electro-vacuum industries, vacuum flask manufacturing, vacuum welding and as an accessory to those fine gauges or CHINAMFG where vacuum is required .It is more suitable for laboratory use because of its small size ,less weight and quiet operation.
2.The pump is allowed to work continuously for many hours at a stretch under atmospheric temperature of 5ºC-40ºC and intake pressure below 1230pa.While the pumped gas containing moisture of a relative humidity of more than 90% gas-ballast valve should be open.
3. Whit the inlet port widely opened to atmosphere the pump is not allowed to work more than 1 minute.
4.The pump is not suitable for pumping over-oxidized, poison, explosive and corrosive gas as well as gases which react chemically with the pump oil contain particles of dust.
Product Details
Q: What kind of gas is not suitable for 2XZ-2 of rotary vane vacuum pump to pump out?
A: Corrosive to the metal, the chemical reaction to the pump oil, containing particles of dust, high oxygen content, explosive, and toxic gases.
Q: The working environment of 2XZ-2 refrigeration vacuum pump?
A: 5ºC-40ºC, the relative temperature is not higher than 90%. When the inlet pressure is less than 1333pa, it is allowed to work continuously for a long time.
Q: What is the payment terms?
T/T, Paypal, Western Union, Ali credit insurance, L/C etc
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| After-sales Service: | 1 Year |
|---|---|
| Warranty: | 1 Year |
| Oil or Not: | Oil |
| Structure: | Rotary Vacuum Pump |
| Exhauster Method: | Entrapment Vacuum Pump |
| Vacuum Degree: | High Vacuum |
| Samples: |
US$ 260/Piece
1 Piece(Min.Order) | |
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Can Vacuum Pumps Be Used in the Aerospace Sector?
Vacuum pumps indeed have various applications in the aerospace sector. Here’s a detailed explanation:
Vacuum pumps play a crucial role in several areas of the aerospace industry, supporting various processes and systems. Some of the key applications of vacuum pumps in the aerospace sector include:
1. Space Simulation Chambers: Vacuum pumps are used in space simulation chambers to replicate the low-pressure conditions experienced in outer space. These chambers are utilized for testing and validating the performance and functionality of aerospace components and systems under simulated space conditions. Vacuum pumps create and maintain the necessary vacuum environment within these chambers, allowing engineers and scientists to evaluate the behavior and response of aerospace equipment in space-like conditions.
2. Propellant Management: In space propulsion systems, vacuum pumps are employed for propellant management. They help in the transfer, circulation, and pressurization of propellants, such as liquid rocket fuels or cryogenic fluids, in both launch vehicles and spacecraft. Vacuum pumps assist in creating the required pressure differentials for propellant flow and control, ensuring efficient and reliable operation of propulsion systems.
3. Environmental Control Systems: Vacuum pumps are utilized in the environmental control systems of aircraft and spacecraft. These systems are responsible for maintaining the desired atmospheric conditions, including temperature, humidity, and cabin pressure, to ensure the comfort, safety, and well-being of crew members and passengers. Vacuum pumps are used to regulate and control the cabin pressure, facilitating the circulation of fresh air and maintaining the desired air quality within the aircraft or spacecraft.
4. Satellite Technology: Vacuum pumps find numerous applications in satellite technology. They are used in the fabrication and testing of satellite components, such as sensors, detectors, and electronic devices. Vacuum pumps help create the necessary vacuum conditions for thin film deposition, surface treatment, and testing processes, ensuring the performance and reliability of satellite equipment. Additionally, vacuum pumps are employed in satellite propulsion systems to manage propellants and provide thrust for orbital maneuvers.
5. Avionics and Instrumentation: Vacuum pumps are involved in the production and testing of avionics and instrumentation systems used in aerospace applications. They facilitate processes such as thin film deposition, vacuum encapsulation, and vacuum drying, ensuring the integrity and functionality of electronic components and circuitry. Vacuum pumps are also utilized in vacuum leak testing, where they help create a vacuum environment to detect and locate any leaks in aerospace systems and components.
6. High Altitude Testing: Vacuum pumps are used in high altitude testing facilities to simulate the low-pressure conditions encountered at high altitudes. These testing facilities are employed for evaluating the performance and functionality of aerospace equipment, such as engines, materials, and structures, under simulated high altitude conditions. Vacuum pumps create and control the required low-pressure environment, allowing engineers and researchers to assess the behavior and response of aerospace systems in high altitude scenarios.
7. Rocket Engine Testing: Vacuum pumps are crucial in rocket engine testing facilities. They are utilized to evacuate and maintain the vacuum conditions in engine test chambers or nozzles during rocket engine testing. By creating a vacuum environment, these pumps simulate the conditions experienced by rocket engines in the vacuum of space, enabling accurate testing and evaluation of engine performance, thrust levels, and efficiency.
It’s important to note that aerospace applications often require specialized vacuum pumps capable of meeting stringent requirements, such as high reliability, low outgassing, compatibility with propellants or cryogenic fluids, and resistance to extreme temperatures and pressures.
In summary, vacuum pumps are extensively used in the aerospace sector for a wide range of applications, including space simulation chambers, propellant management, environmental control systems, satellite technology, avionics and instrumentation, high altitude testing, and rocket engine testing. They contribute to the development, testing, and operation of aerospace equipment, ensuring optimal performance, reliability, and safety.
Can Vacuum Pumps Be Used in the Production of Solar Panels?
Yes, vacuum pumps are extensively used in the production of solar panels. Here’s a detailed explanation:
Solar panels, also known as photovoltaic (PV) panels, are devices that convert sunlight into electricity. The manufacturing process of solar panels involves several critical steps, many of which require the use of vacuum pumps. Vacuum technology plays a crucial role in ensuring the efficiency, reliability, and quality of solar panel production. Here are some key areas where vacuum pumps are utilized:
1. Silicon Ingot Production: The first step in solar panel manufacturing is the production of silicon ingots. These ingots are cylindrical blocks of pure crystalline silicon that serve as the raw material for solar cells. Vacuum pumps are used in the Czochralski process, which involves melting polycrystalline silicon in a quartz crucible and then slowly pulling a single crystal ingot from the molten silicon. Vacuum pumps create a controlled environment by removing impurities and preventing contamination during the crystal growth process.
2. Wafering: After the silicon ingots are produced, they undergo wafering, where the ingots are sliced into thin wafers. Vacuum pumps are used in wire saws to create a low-pressure environment that helps to cool and lubricate the cutting wire. The vacuum also assists in removing the silicon debris generated during the slicing process, ensuring clean and precise cuts.
3. Solar Cell Production: Vacuum pumps play a significant role in various stages of solar cell production. Solar cells are the individual units within a solar panel that convert sunlight into electricity. Vacuum pumps are used in the following processes:
– Diffusion: In the diffusion process, dopants such as phosphorus or boron are introduced into the silicon wafer to create the desired electrical properties. Vacuum pumps are utilized in the diffusion furnace to create a controlled atmosphere for the diffusion process and remove any impurities or gases that may affect the quality of the solar cell.
– Deposition: Thin films of materials such as anti-reflective coatings, passivation layers, and electrode materials are deposited onto the silicon wafer. Vacuum pumps are used in various deposition techniques like physical vapor deposition (PVD) or chemical vapor deposition (CVD) to create the necessary vacuum conditions for precise and uniform film deposition.
– Etching: Etching processes are employed to create the desired surface textures on the solar cell, which enhance light trapping and improve efficiency. Vacuum pumps are used in plasma etching or wet etching techniques to remove unwanted material or create specific surface structures on the solar cell.
4. Encapsulation: After the solar cells are produced, they are encapsulated to protect them from environmental factors such as moisture and mechanical stress. Vacuum pumps are used in the encapsulation process to create a vacuum environment, ensuring the removal of air and moisture from the encapsulation materials. This helps to achieve proper bonding and prevents the formation of bubbles or voids, which could degrade the performance and longevity of the solar panel.
5. Testing and Quality Control: Vacuum pumps are also utilized in testing and quality control processes during solar panel production. For example, vacuum systems can be used for leak testing to ensure the integrity of the encapsulation and to detect any potential defects or leaks in the panel assembly. Vacuum-based measurement techniques may also be employed for assessing the electrical characteristics and efficiency of the solar cells or panels.
In summary, vacuum pumps are integral to the production of solar panels. They are used in various stages of the manufacturing process, including silicon ingot production, wafering, solar cell production (diffusion, deposition, and etching), encapsulation, and testing. Vacuum technology enables precise control, contamination prevention, and efficient processing, contributing to the production of high-quality and reliable solar panels.
Can Vacuum Pumps Be Used in Laboratories?
Yes, vacuum pumps are extensively used in laboratories for a wide range of applications. Here’s a detailed explanation:
Vacuum pumps are essential tools in laboratory settings as they enable scientists and researchers to create and control vacuum or low-pressure environments. These controlled conditions are crucial for various scientific processes and experiments. Here are some key reasons why vacuum pumps are used in laboratories:
1. Evaporation and Distillation: Vacuum pumps are frequently used in laboratory evaporation and distillation processes. By creating a vacuum, they lower the boiling point of liquids, allowing for gentler and more controlled evaporation. This is particularly useful for heat-sensitive substances or when precise control over the evaporation process is required.
2. Filtration: Vacuum filtration is a common technique in laboratories for separating solids from liquids or gases. Vacuum pumps create suction, which helps draw the liquid or gas through the filter, leaving the solid particles behind. This method is widely used in processes such as sample preparation, microbiology, and analytical chemistry.
3. Freeze Drying: Vacuum pumps play a crucial role in freeze drying or lyophilization processes. Freeze drying involves removing moisture from a substance while it is in a frozen state, preserving its structure and properties. Vacuum pumps facilitate the sublimation of frozen water directly into vapor, resulting in the removal of moisture under low-pressure conditions.
4. Vacuum Ovens and Chambers: Vacuum pumps are used in conjunction with vacuum ovens and chambers to create controlled low-pressure environments for various applications. Vacuum ovens are used for drying heat-sensitive materials, removing solvents, or conducting reactions under reduced pressure. Vacuum chambers are utilized for testing components under simulated space or high-altitude conditions, degassing materials, or studying vacuum-related phenomena.
5. Analytical Instruments: Many laboratory analytical instruments rely on vacuum pumps to function properly. For example, mass spectrometers, electron microscopes, surface analysis equipment, and other analytical instruments often require vacuum conditions to maintain sample integrity and achieve accurate results.
6. Chemistry and Material Science: Vacuum pumps are employed in numerous chemical and material science experiments. They are used for degassing samples, creating controlled atmospheres, conducting reactions under reduced pressure, or studying gas-phase reactions. Vacuum pumps are also used in thin film deposition techniques like physical vapor deposition (PVD) and chemical vapor deposition (CVD).
7. Vacuum Systems for Experiments: In scientific research, vacuum systems are often designed and constructed for specific experiments or applications. These systems can include multiple vacuum pumps, valves, and chambers to create specialized vacuum environments tailored to the requirements of the experiment.
Overall, vacuum pumps are versatile tools that find extensive use in laboratories across various scientific disciplines. They enable researchers to control and manipulate vacuum or low-pressure conditions, facilitating a wide range of processes, experiments, and analyses. The choice of vacuum pump depends on factors such as required vacuum level, flow rate, chemical compatibility, and specific application needs.
editor by CX 2024-04-13
China manufacturer Good Quality vacuum Pvp Hydraulic Oil Booster Spare Parts CZPT Pump Test vacuum pump
Product Description
HangZhou Haozheng Hydraulic Machinery Equipment Co., Ltd.
HangZhou Haozheng Hydraulic Machinery Equipment Co., Ltd. is a manufacturer that started researching, developing, manufacturing and selling hydraulic pumps earlier in China. The main hydraulic products include A10VSO\PVH\PAVC\A11VO\A4VSO\PV\PVXS\PVM and other series of plunger pumps and hydraulic spare parts, which are exported to Canada, the United States, Mexico, Brazil, Norway, Italy, France, the United Kingdom, Russia, South Africa, Kenya, Saudi Arabia and others. It is widely used in steel mills, power plants, engineering machinery, mining machinery, industrial equipment, metallurgical machinery, injection molding, oil drilling, ports and ships and other fields.
product-group/nMBGJqeDbgVC/Parker-Piston-Pump-catalog-1.html
product-group/ZeNaotCEAgVi/Rexroth-Piston-Pump-catalog-1.html
product-group/jeJAcxmvuIfG/Vikcers-Piston-Pump-catalog-1.html
product-group/BqFfjLEznPVk/Hydraulic-pump-parts-catalog-1.html
Product Description
| Mode | displacement cm³/rev | Flow L/min | Bar | Rpm | Power/kw | Kg |
| PVM074 | 73.7 | 127 | 280-350bar | 1800 | 63 | 45 |
| PVM098 | 98.3 | 170 | 88 | 55 | ||
| PVM131 | 131.1 | 178 | 94 | 66 | ||
| PVM141 | 141 | 199 | 230-280bar | 79 | 145 |
Our Products
We provide various models of axial variable displacement piston pumps and accessories, including the CZPT brand’s A11VO, A10VSO, A11VO, the Vikers brand’s PVH, PVXS, PVB, PVM, and the CZPT brand’s PAVC, PVP, PV. We also offer the Cate tractor modified version PVH 6E-3136 series. Therefore, hydraulic pumps can be customized according to displacement, control method, flange port, etc.
Company Profile
FAQ
1.What’s the application for pump?
Construction equipment Steel factory or Power plant Industrial equipment Related hydraulic system
2.What about the MOQ?
MOQ:1pcs.
3.Are you manufacturer? And what’s the delivery time?
Yes, we are manufacturer and have our own factory. Generally, its in stock for common models, 1-3 days will be finished and sent to customer in time.
4.Which payment methods are accepted?
We usually accept T/T,L/C,Western union,Trade assurance,VISA Card.
5.How about the inspection and Guarantee of products?
We promise: all products are tested before ship, to confirm it will be working and in good conditions when customers get. Also, we offer 12-month guarantee, if it doesn’t work due to quality issue in the period, we will send spares to repair for free. Accordingly, the pump will work last at least 18 months.
6 What about your after-sale service?
If there is any question in use, please talk with your sales manager at any time, so we will know your problems are and help to solve.
We can provide ODM and OEM service
Production capacity:
| Product Line Name | Production Line Capacity | Actual Units Produced(Previous Year) |
|---|---|---|
| A10VSO Series Piston Pump,HG Series Gear Pump,PAVC Series Piston Pump,PV Series Piston Pump,PVH Series Piston Pump | 2 |
Export Market Distribution:
| Market | Total Revenue (%) | |
|---|---|---|
| North America | 6 | |
| South America | 4 | |
| Eastern Europe | 8 | |
| Southeast Asia | 2 | |
| Africa | 3 | |
| Oceania | 2 | |
| Mid East | 2 | |
| Eastern Asia | 1 | |
| Western Europe | 3 | |
| Central America | 2 | |
| Northern Europe | 2 | |
| Southern Europe | 3 | |
| South Asia | 2 | |
| Domestic Market | 60 |
Production Machinery:
| Machine Name | Brand & Model No. | Quantity | Number of Year(s) Used | Condition |
|---|---|---|---|---|
| CNC Machining Center | Confidential | 8 | 2 | acceptable |
| CNC Lathe | Confidential | 4 | 2 | acceptable |
| Surface Grinder | Confidential | 1 | 2 | acceptable |
| Cylindrical Grinder | Confidential | 1 | 2 | acceptable |
| Hydraulic Gear Drawing Machine | Confidential | 1 | 2 | acceptable |
| Horizontal Honing Machine | Confidential | 1 | 2 | acceptable |
| Ordinary Lathe | Confidential | 1 | 2 | acceptable |
| Pressure Washer | Confidential | 1 | 2 | acceptable |
| Milling Machine | Confidential | 1 | 2 | acceptable |
Testing Machinery:
| Machine Name | Brand & Model No. | Quantity | Number of Year(s) Used | Condition |
|---|---|---|---|---|
| Hydraulic Test Bench | Confidential | 1 | 1 | acceptable |
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| After-sales Service: | 24 Hour Online |
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| Warranty: | 1 Year |
| Structure: | Multi Cylinder |
| Samples: |
US$ 300/Piece
1 Piece(Min.Order) | Order Sample |
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| Customization: |
Available
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| Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Types of vacuum pumps
A vacuum pump is a device that draws gas molecules from a sealed volume and leaves a partial vacuum in its wake. Its job is to create a relative vacuum within a specific volume or volume. There are many types of vacuum pumps, including centrifugal, screw and diaphragm.
Forward centrifugal pump
Positive displacement centrifugal vacuum pumps are one of the most commonly used pump types in the oil and gas industry. Their efficiency is limited to a range of materials and can handle relatively high solids concentrations. However, using these pumps has some advantages over other types of pumps.
Positive displacement pumps have an enlarged cavity on the suction side and a reduced cavity on the discharge side. This makes them ideal for applications involving high viscosity fluids and high pressures. Their design makes it possible to precisely measure and control the amount of liquid pumped. Positive displacement pumps are also ideal for applications requiring precise metering.
Positive displacement pumps are superior to centrifugal pumps in several ways. They can handle higher viscosity materials than centrifuges. These pumps also operate at lower speeds than centrifugal pumps, which makes them more suitable for certain applications. Positive displacement pumps are also less prone to wear.
Positive displacement vacuum pumps operate by drawing fluid into a chamber and expanding it to a larger volume, then venting it to the atmosphere. This process happens several times per second. When maximum expansion is reached, the intake valve closes, the exhaust valve opens, and fluid is ejected. Positive displacement vacuum pumps are highly efficient and commonly used in many industries.
Self-priming centrifugal pump
Self-priming centrifugal pumps are designed with a water reservoir to help remove air from the pump. This water is then recirculated throughout the pump, allowing the pump to run without air. The water reservoir can be located above or in front of the impeller. The pump can then reserve water for the initial start.
The casing of the pump contains an increasingly larger channel forming a cavity retainer and semi-double volute. When water enters the pump through channel A, it flows back to the impeller through channels B-C. When the pump is started a second time, the water in the pump body will be recirculated back through the impeller. This recycling process happens automatically.
These pumps are available in a variety of models and materials. They feature special stainless steel castings that are corrosion and wear-resistant. They can be used in high-pressure applications and their design eliminates the need for inlet check valves and intermediate valves. They can also be equipped with long intake pipes, which do not require activation.
Self-priming centrifugal pumps are designed to run on their own, but there are some limitations. They cannot operate without a liquid source. A foot valve or external liquid source can help you start the self-priming pump.
Screw Pump
The mechanical and thermal characteristics of a screw vacuum pump are critical to its operation. They feature a small gap between the rotor and stator to minimize backflow and thermal growth. Temperature is a key factor in their performance, so they have an internal cooling system that uses water that circulates through the pump’s stator channels. The pump is equipped with a thermostatically controlled valve to regulate the water flow. Also includes a thermostatic switch for thermal control.
Screw vacuum pumps work by trapping gas in the space between the rotor and the housing. The gas is then moved to the exhaust port, where it is expelled at atmospheric pressure. The tapered discharge end of the screw further reduces the volume of gas trapped in the chamber. These two factors allow the pump to work efficiently and safely.
Screw vacuum pumps are designed for a variety of applications. In some applications, the pump needs to operate at very low pressures, such as when pumping large volumes of air. For this application, the SCREWLINE SP pump is ideal. Their low discharge temperature and direct pumping path ensure industrial process uptime. These pumps also feature non-contact shaft seals to reduce mechanical wear. Additionally, they feature a special cantilever bearing arrangement to eliminate potential sources of bearing failure and lubrication contamination.
Screw vacuum pumps use an air-cooled screw to generate a vacuum. They are compact, and clean, and have a remote monitoring system with built-in intelligence. By using the app, users can monitor pump performance remotely. 
Diaphragm Pump
Diaphragm vacuum pumps are one of the most common types of vacuum pumps found in laboratories and manufacturing facilities. The diaphragm is an elastomeric membrane held in place around the outer diameter. While it is not possible to seal a diaphragm vacuum pump, there are ways to alleviate the problems associated with this design.
Diaphragm vacuum pumps are versatile and can be used in a variety of clean vacuum applications. These pumps are commercially available with a built-in valve system, but they can also be modified to include one. Because diaphragm pumps are so versatile, it’s important to choose the right type for the job. Understanding how pumps work will help you match the right pump to the right application.
Diaphragm vacuum pumps offer a wide range of advantages, including an extremely long service life. Most diaphragm pumps can last up to ten thousand hours. However, they may be inefficient for processes that require deep vacuum, in which case alternative technologies may be required. Additionally, due to the physics of diaphragm pumps, the size of these pumps may be limited. Also, they are not suitable for high-speed pumping.
Diaphragm vacuum pumps are a versatile subset of laboratory pumps. They are popular for their oil-free construction and low maintenance operation. They are available in a variety of styles and have many optional features. In addition to low maintenance operation, they are chemically resistant and can be used with a variety of sample types. However, diaphragm pumps tend to have lower displacements than other vacuum pumps.
Atmospheric pressure is a key factor in a vacuum pump system
Atmospheric pressure is the pressure created by the collision of air molecules. The more they collide, the greater the pressure. This applies to pure gases and mixtures. When you measure atmospheric pressure, the pressure gauge reads about 14.7 psia. The higher the pressure, the greater the force on the gas molecules.
The gas entering the vacuum pump system is below atmospheric pressure and may contain entrained liquids. The mechanism of this process can be explained by molecular kinetic energy theory. The theory assumes that gas molecules in the atmosphere have high velocities. The resulting gas molecules will then start moving in random directions, colliding with each other and creating pressure on the walls of the vacuum vessel.
Atmospheric pressure is a critical factor in a vacuum pump system. A vacuum pump system is useless without proper atmospheric pressure measurement. The pressure in the atmosphere is the total pressure of all gases, including nitrogen and oxygen. Using total pressure instead of partial pressure can cause problems. The thermal conductivity of various gases varies widely, so working at full pressure can be dangerous.
When choosing a vacuum pump, consider its operating range. Some pumps operate at low atmospheric pressure, while others are designed to operate at high or ultra-high pressure. Different types of pumps employ different technologies that enhance their unique advantages. 
The screw pump is less efficient in pumping gases with smaller molecular weight
Vacuuming requires a high-quality pump. This type of pump must be able to pump gas of high purity and very low pressure. Screw pumps can be used in laboratory applications and are more efficient when pumping small molecular weight gases. Chemical resistance is critical to pump life. Chemical resistant materials are also available. Chemically resistant wetted materials minimize wear.
Gear pumps are more efficient than screw pumps, but are less efficient when pumping lower molecular weight gases. Gear pumps also require a larger motor to achieve the same pumping capacity. Compared to gear pumps, progressive cavity pumps also have lower noise levels and longer service life. In addition, gear pumps have a large footprint and are not suitable for tight spaces.
Progressive cavity pumps have two or three screws and a housing and side cover. They are also equipped with gears and bearings. Their mechanical design allows them to operate in high pressure environments with extremely low noise. The progressive cavity pump is a versatile pump that can be used in a variety of applications.
Dry screw compressors have different aspect ratios and can operate at high and low pressures. The maximum allowable differential pressure for screw compressors ranges from 0.4 MPa for 3/5 rotors to 1.5 MPa for 4/6 rotors. These numbers need to be determined on a case-by-case basis.
editor by CX 2024-04-10
China Professional Sqp21 Sqp31 Vacuum Hydraulic Rotary Vane Pump Tokyo Keiki CHINAMFG vacuum pump diy
Product Description
HangZhou High-Tech Zone CHINAMFG International Trade Co., Ltd. is 1 of the largest hydraulic service provider and manufacturer in China.
We, CHINAMFG company specialize in hydraulic field more than 15 years with professional team and experienced engineer. Our own 6 factories are in HangZhou, China. We warmly welcome well qualified buyers to visit our company for investigation so as to ensure long-term cooperation and large orders signing. Of course, we are also very welcome and support consultation and purchase from retailers regardless of the amount purchased.
High performance rotary group with well-proven spherical control area offering the following advantages, self-centering.
— Low periph-eral speed — High duty roller bearing for intermettent high pressure operation.
— For continuous duty hydrostatic are availabe.
— Excellent starting characteristics.
— High power density
— Optional mounting position
— High efficient.
— Long service life robust rolling bearing.
— Drive shaft will support radial loads.
— Low noise level.
— High duty roller bearing for intermettent high pressure operation.
— For continuous duty hydrostatic are availabe.
— Excellent starting characteristics.
— High power density
— Optional mounting position
| Type: | Vane Pump |
|---|---|
| Stock: | in Stock |
| Size: | The Same as The Original |
| Performance Evaluation: | 100% Close to The Original |
| Manufacturers: | China Suppliers |
| Transport Package: | Export Standard Wooden Case |
| Samples: |
US$ 1/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
|
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What Is the Impact of Altitude on Vacuum Pump Performance?
The performance of vacuum pumps can be influenced by the altitude at which they are operated. Here’s a detailed explanation:
Altitude refers to the elevation or height above sea level. As the altitude increases, the atmospheric pressure decreases. This decrease in atmospheric pressure can have several effects on the performance of vacuum pumps:
1. Reduced Suction Capacity: Vacuum pumps rely on the pressure differential between the suction side and the discharge side to create a vacuum. At higher altitudes, where the atmospheric pressure is lower, the pressure differential available for the pump to work against is reduced. This can result in a decrease in the suction capacity of the vacuum pump, meaning it may not be able to achieve the same level of vacuum as it would at lower altitudes.
2. Lower Ultimate Vacuum Level: The ultimate vacuum level, which represents the lowest pressure that a vacuum pump can achieve, is also affected by altitude. As the atmospheric pressure decreases with increasing altitude, the ultimate vacuum level that can be attained by a vacuum pump is limited. The pump may struggle to reach the same level of vacuum as it would at sea level or lower altitudes.
3. Pumping Speed: Pumping speed is a measure of how quickly a vacuum pump can remove gases from a system. At higher altitudes, the reduced atmospheric pressure can lead to a decrease in pumping speed. This means that the vacuum pump may take longer to evacuate a chamber or system to the desired vacuum level.
4. Increased Power Consumption: To compensate for the decreased pressure differential and achieve the desired vacuum level, a vacuum pump operating at higher altitudes may require higher power consumption. The pump needs to work harder to overcome the lower atmospheric pressure and maintain the necessary suction capacity. This increased power consumption can impact energy efficiency and operating costs.
5. Efficiency and Performance Variations: Different types of vacuum pumps may exhibit varying degrees of sensitivity to altitude. Oil-sealed rotary vane pumps, for example, may experience more significant performance variations compared to dry pumps or other pump technologies. The design and operating principles of the vacuum pump can influence its ability to maintain performance at higher altitudes.
It’s important to note that vacuum pump manufacturers typically provide specifications and performance curves for their pumps based on standardized conditions, often at or near sea level. When operating a vacuum pump at higher altitudes, it is advisable to consult the manufacturer’s guidelines and consider any altitude-related limitations or adjustments that may be necessary.
In summary, the altitude at which a vacuum pump operates can have an impact on its performance. The reduced atmospheric pressure at higher altitudes can result in decreased suction capacity, lower ultimate vacuum levels, reduced pumping speed, and potentially increased power consumption. Understanding these effects is crucial for selecting and operating vacuum pumps effectively in different altitude environments.
Considerations for Selecting a Vacuum Pump for Cleanroom Applications
When it comes to selecting a vacuum pump for cleanroom applications, several considerations should be taken into account. Here’s a detailed explanation:
Cleanrooms are controlled environments used in industries such as semiconductor manufacturing, pharmaceuticals, biotechnology, and microelectronics. These environments require strict adherence to cleanliness and particle control standards to prevent contamination of sensitive processes or products. Selecting the right vacuum pump for cleanroom applications is crucial to maintain the required level of cleanliness and minimize the introduction of contaminants. Here are some key considerations:
1. Cleanliness: The cleanliness of the vacuum pump is of utmost importance in cleanroom applications. The pump should be designed and constructed to minimize the generation and release of particles, oil vapors, or other contaminants into the cleanroom environment. Oil-free or dry vacuum pumps are commonly preferred in cleanroom applications as they eliminate the risk of oil contamination. Additionally, pumps with smooth surfaces and minimal crevices are easier to clean and maintain, reducing the potential for particle buildup.
2. Outgassing: Outgassing refers to the release of gases or vapors from the surfaces of materials, including the vacuum pump itself. In cleanroom applications, it is crucial to select a vacuum pump with low outgassing characteristics to prevent the introduction of contaminants into the environment. Vacuum pumps specifically designed for cleanroom use often undergo special treatments or use materials with low outgassing properties to minimize this effect.
3. Particle Generation: Vacuum pumps can generate particles due to the friction and wear of moving parts, such as rotors or vanes. These particles can become a source of contamination in cleanrooms. When selecting a vacuum pump for cleanroom applications, it is essential to consider the pump’s particle generation level and choose pumps that have been designed and tested to minimize particle emissions. Pumps with features like self-lubricating materials or advanced sealing mechanisms can help reduce particle generation.
4. Filtration and Exhaust Systems: The filtration and exhaust systems associated with the vacuum pump are critical for maintaining cleanroom standards. The vacuum pump should be equipped with efficient filters that can capture and remove any particles or contaminants generated during operation. High-quality filters, such as HEPA (High-Efficiency Particulate Air) filters, can effectively trap even the smallest particles. The exhaust system should be properly designed to ensure that filtered air is released outside the cleanroom or passes through additional filtration before being reintroduced into the environment.
5. Noise and Vibrations: Noise and vibrations generated by vacuum pumps can have an impact on cleanroom operations. Excessive noise can affect the working environment and compromise communication, while vibrations can potentially disrupt sensitive processes or equipment. It is advisable to choose vacuum pumps specifically designed for quiet operation and that incorporate measures to minimize vibrations. Pumps with noise-dampening features and vibration isolation systems can help maintain a quiet and stable cleanroom environment.
6. Compliance with Standards: Cleanroom applications often have specific industry standards or regulations that must be followed. When selecting a vacuum pump, it is important to ensure that it complies with relevant cleanroom standards and requirements. Considerations may include ISO cleanliness standards, cleanroom classification levels, and industry-specific guidelines for particle count, outgassing levels, or allowable noise levels. Manufacturers that provide documentation and certifications related to cleanroom suitability can help demonstrate compliance.
7. Maintenance and Serviceability: Proper maintenance and regular servicing of vacuum pumps are essential for their reliable and efficient operation. When choosing a vacuum pump for cleanroom applications, consider factors such as ease of maintenance, availability of spare parts, and access to service and support from the manufacturer. Pumps with user-friendly maintenance features, clear service instructions, and a responsive customer support network can help minimize downtime and ensure continued cleanroom performance.
In summary, selecting a vacuum pump for cleanroom applications requires careful consideration of factors such as cleanliness, outgassing characteristics, particle generation, filtration and exhaust systems, noise and vibrations, compliance with standards, and maintenance requirements. By choosing vacuum pumps designed specifically for cleanroom use and considering these key factors, cleanroom operators can maintain the required level of cleanliness and minimize the risk of contamination in their critical processes and products.
How Do You Choose the Right Size Vacuum Pump for a Specific Application?
Choosing the right size vacuum pump for a specific application involves considering several factors to ensure optimal performance and efficiency. Here’s a detailed explanation:
1. Required Vacuum Level: The first consideration is the desired vacuum level for your application. Different applications have varying vacuum level requirements, ranging from low vacuum to high vacuum or even ultra-high vacuum. Determine the specific vacuum level needed, such as microns of mercury (mmHg) or pascals (Pa), and choose a vacuum pump capable of achieving and maintaining that level.
2. Pumping Speed: The pumping speed, also known as the displacement or flow rate, is the volume of gas a vacuum pump can remove from a system per unit of time. It is typically expressed in liters per second (L/s) or cubic feet per minute (CFM). Consider the required pumping speed for your application, which depends on factors such as the volume of the system, the gas load, and the desired evacuation time.
3. Gas Load and Composition: The type and composition of the gas or vapor being pumped play a significant role in selecting the right vacuum pump. Different pumps have varying capabilities and compatibilities with specific gases. Some pumps may be suitable for pumping only non-reactive gases, while others can handle corrosive gases or vapors. Consider the gas load and its potential impact on the pump’s performance and materials of construction.
4. Backing Pump Requirements: In some applications, a vacuum pump may require a backing pump to reach and maintain the desired vacuum level. A backing pump provides a rough vacuum, which is then further processed by the primary vacuum pump. Consider whether your application requires a backing pump and ensure compatibility and proper sizing between the primary pump and the backing pump.
5. System Leakage: Evaluate the potential leakage in your system. If your system has significant leakage, you may need a vacuum pump with a higher pumping speed to compensate for the continuous influx of gas. Additionally, consider the impact of leakage on the required vacuum level and the pump’s ability to maintain it.
6. Power Requirements and Operating Cost: Consider the power requirements of the vacuum pump and ensure that your facility can provide the necessary electrical supply. Additionally, assess the operating cost, including energy consumption and maintenance requirements, to choose a pump that aligns with your budget and operational considerations.
7. Size and Space Constraints: Take into account the physical size of the vacuum pump and whether it can fit within the available space in your facility. Consider factors such as pump dimensions, weight, and the need for any additional accessories or support equipment.
8. Manufacturer’s Recommendations and Expert Advice: Consult the manufacturer’s specifications, guidelines, and recommendations for selecting the right pump for your specific application. Additionally, seek expert advice from vacuum pump specialists or engineers who can provide insights based on their experience and knowledge.
By considering these factors and evaluating the specific requirements of your application, you can select the right size vacuum pump that meets the desired vacuum level, pumping speed, gas compatibility, and other essential criteria. Choosing the appropriate vacuum pump ensures efficient operation, optimal performance, and longevity for your application.
editor by CX 2023-12-12
China Standard Oilgear Hydraulic Pump Variable Plunger Pvm-130/75/2564-A2ub-Rsfy-P-1nnsn Gear Pump/High Pressure Pump/Vacuum Pump vacuum pump and compressor
Product Description
American OILGEAR plunger pump PFCS series PVV series PVK series PVG series PVW series PVM series
PVM hydraulic pump – high performance open axial piston pump
PVWH hydraulic pump – low horsepower high performance open axial piston pump
PVWW hydraulic pump – low horsepower high performance open axial piston pump for low viscosity or water-containing oil
PVWC hydraulic pump-low horsepower high performance closed axial piston pump
PVG hydraulic pump – mid-range horsepower high performance open axial piston pump
PVK hydraulic pump-mid-range-high-end horsepower high-performance open axial piston pump
PVV hydraulic pump – high horsepower high performance open axial piston pump
PFBA hydraulic pump – high horsepower and high load open multi-stage quantitative output pump
PFBA hydraulic pump – high horsepower and high load open multi-stage quantitative output pump
PFCM hydraulic pump – high pressure and high load open multi-stage quantitative output pump
PFCS hydraulic pump – high pressure and high load open multi-stage quantitative output pump
DN type hydraulic pump-variable radial piston pump
PVG-048-F1UV-LDFY-P-1NNSN
PVG-065-F1UV-LDFY-P-1NNSN
PVG-065-F1UV-LSFY-P-1NNSN
PVG-075-F1UV-LSFY-P-1NNSN
PVG-100-F1UV-LSFY-P-1NNSN
PVG-130-F1UV-LSFY-P-1NNSN
PVG-130-F1UV-RDFZ-P-1NNSN-CN
PVG-130-F1UV-LGFK-P-1NN/FNN
PVG-130-F1UV-RGFK-P-1NN/H100SN-NN
PVG-130-F1UV-RDFZ-P-1NNNN
PVG-130-F1UV-LDFY-P-1NN/H050NN-CP
PVG-100-F1UV-LDFY-P-1NNSN-CP
PVG-100-FIUV-LGFZ-P-1NNSN-NN
PVG-048-F1UV-LGFY-N-1NNNN-AA/05
PVG-100-F1UV-LGFY-N-20RSA
PVG-075-F1UV-LSFY-P-1NNSN-NN
PVG-075-F1UV-RDFY-N-1NNNN-AA/05
PVG-065-F1UB-RGFY-P-1NNNN-NN
PVG-065-F1UP-RGFY-P-1NNNN-NN (Test Equipment)
PVG-065-F1UV-LSFY-P-1NNSN
PVG-100-F1UV-RGFK-P-1NN/G047SN/827
PVG-100-FIUV-LGFZ-P-1NNSN
PVG-130-E1UB-LSFY-P-1NNSN/704 (PVG-130-F1UB-LSFY-P-1NNSN/844)
PVG-130-F1UB-LSFY-P-1NNSN/844
PVG-130-F1UB-RSFY-P-1NNSN
PVG-130-F1UV-LGFK-P-1NN/FNN
PVG-130-F1UV-LGFK-P-1NN/FNN-NN
PVG-150-A1UV-LGFY-P-1NNNN
PVK-140-A1UV-RDFS-P-1NNSN-CP/133 for Komatsu
PVK-270-B1UV-RDFY-P-1NNSN-CP
PVM-011-BIUB-RSAY-P-1NNNN
PVM-046-A1UB-RSFY-P-1NNNN
PVM-130-A2UV-RSFY-P-1NNSN
PVM-130-A2UV-RSFY-P-1NNSN (for thin oil stations on chemical plants)
PVV-250-B1BV-RSFY-P-1NNSN-NN
PVV-250-B1UV-RSFY-F-100SB
PVWH-06-LSAY-MNSA
Upgrade (PVWJ-014-A1UV-LSAY-M-NNSA)
PVWH-11-LDFS-CFNN-THCPP17571C
PVWJ-011-A1UV-RSAY-P-1NNSN
PVL Hydraulic Pump-Variable Axial Piston Pump
FCS Hydraulic Pump – Swing Plate Driven Inspection Valve Type Grading Quantitative PumpAmerican OILGEAR plunger pump PFCS series PVV series PVK series PVG series PVW series PVM series
PVM hydraulic pump – high performance open axial piston pump
PVWH hydraulic pump – low horsepower high performance open axial piston pump
PVWW hydraulic pump – low horsepower high performance open axial piston pump for low viscosity or water-containing oil
PVWC hydraulic pump-low horsepower high performance closed axial piston pump
PVG hydraulic pump – mid-range horsepower high performance open axial piston pump
PVK hydraulic pump-mid-range-high-end horsepower high-performance open axial piston pump
PVV hydraulic pump – high horsepower high performance open axial piston pump
PFBA hydraulic pump – high horsepower and high load open multi-stage quantitative output pump
PFBA hydraulic pump – high horsepower and high load open multi-stage quantitative output pump
PFCM hydraulic pump – high pressure and high load open multi-stage quantitative output pump
PFCS hydraulic pump – high pressure and high load open multi-stage quantitative output pump
DN type hydraulic pump-variable radial piston pump
PVG-048-F1UV-LDFY-P-1NNSN
PVG-065-F1UV-LDFY-P-1NNSN
PVG-065-F1UV-LSFY-P-1NNSN
PVG-075-F1UV-LSFY-P-1NNSN
PVG-100-F1UV-LSFY-P-1NNSN
PVG-130-F1UV-LSFY-P-1NNSN
PVG-130-F1UV-RDFZ-P-1NNSN-CN
PVG-130-F1UV-LGFK-P-1NN/FNN
PVG-130-F1UV-RGFK-P-1NN/H100SN-NN
PVG-130-F1UV-RDFZ-P-1NNNN
PVG-130-F1UV-LDFY-P-1NN/H050NN-CP
PVG-100-F1UV-LDFY-P-1NNSN-CP
PVG-100-FIUV-LGFZ-P-1NNSN-NN
PVG-048-F1UV-LGFY-N-1NNNN-AA/05
PVG-100-F1UV-LGFY-N-20RSA
PVG-075-F1UV-LSFY-P-1NNSN-NN
PVG-075-F1UV-RDFY-N-1NNNN-AA/05
PVG-065-F1UB-RGFY-P-1NNNN-NN
PVG-065-F1UP-RGFY-P-1NNNN-NN (Test Equipment)
PVG-065-F1UV-LSFY-P-1NNSN
PVG-100-F1UV-RGFK-P-1NN/G047SN/827
PVG-100-FIUV-LGFZ-P-1NNSN
PVG-130-E1UB-LSFY-P-1NNSN/704 (PVG-130-F1UB-LSFY-P-1NNSN/844)
PVG-130-F1UB-LSFY-P-1NNSN/844
PVG-130-F1UB-RSFY-P-1NNSN
PVG-130-F1UV-LGFK-P-1NN/FNN
PVG-130-F1UV-LGFK-P-1NN/FNN-NN
PVG-150-A1UV-LGFY-P-1NNNN
PVK-140-A1UV-RDFS-P-1NNSN-CP/133 for Komatsu
PVK-270-B1UV-RDFY-P-1NNSN-CP
PVM-011-BIUB-RSAY-P-1NNNN
PVM-046-A1UB-RSFY-P-1NNNN
PVM-130-A2UV-RSFY-P-1NNSN
PVM-130-A2UV-RSFY-P-1NNSN (for thin oil stations on chemical plants)
PVV-250-B1BV-RSFY-P-1NNSN-NN
PVV-250-B1UV-RSFY-F-100SB
PVWH-06-LSAY-MNSA
Upgrade (PVWJ-014-A1UV-LSAY-M-NNSA)
PVWH-11-LDFS-CFNN-THCPP17571C
PVWJ-011-A1UV-RSAY-P-1NNSN
PVL Hydraulic Pump-Variable Axial Piston Pump
FCS Hydraulic Pump – Swing Plate Driven Inspection Valve Type Grading Quantitative Pump
| Type: | Gear Pump |
|---|---|
| Transport Package: | Standard Wooden Box or Carton |
| Specification: | 35*35*40 |
| Origin: | USA |
| Customization: |
Available
|
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|---|
What Are the Advantages of Using Oil-Sealed Vacuum Pumps?
Oil-sealed vacuum pumps offer several advantages in various applications. Here’s a detailed explanation:
1. High Vacuum Performance: Oil-sealed vacuum pumps are known for their ability to achieve high levels of vacuum. They can create and maintain deep vacuum levels, making them suitable for applications that require a low-pressure environment. The use of oil as a sealing and lubricating medium helps in achieving efficient vacuum performance.
2. Wide Operating Range: Oil-sealed vacuum pumps have a wide operating range, allowing them to handle a broad spectrum of vacuum levels. They can operate effectively in both low-pressure and high-vacuum conditions, making them versatile for different applications across various industries.
3. Efficient and Reliable Operation: These pumps are known for their reliability and consistent performance. The oil-sealed design provides effective sealing, preventing air leakage and maintaining a stable vacuum level. They are designed to operate continuously for extended periods without significant performance degradation, making them suitable for continuous industrial processes.
4. Contamination Handling: Oil-sealed vacuum pumps are effective in handling certain types of contaminants that may be present in the process gases or air being evacuated. The oil acts as a barrier, trapping and absorbing certain particulates, moisture, and chemical vapors, preventing them from reaching the pump mechanism. This helps protect the pump internals from potential damage and contributes to the longevity of the pump.
5. Thermal Stability: The presence of oil in these pumps helps in dissipating heat generated during operation, contributing to their thermal stability. The oil absorbs and carries away heat, preventing excessive temperature rise within the pump. This thermal stability allows for consistent performance even during prolonged operation and helps protect the pump from overheating.
6. Noise Reduction: Oil-sealed vacuum pumps generally operate at lower noise levels compared to other types of vacuum pumps. The oil acts as a noise-damping medium, reducing the noise generated by the moving parts and the interaction of gases within the pump. This makes them suitable for applications where noise reduction is desired, such as laboratory environments or noise-sensitive industrial settings.
7. Versatility: Oil-sealed vacuum pumps are versatile and can handle a wide range of gases and vapors. They can effectively handle both condensable and non-condensable gases, making them suitable for diverse applications in industries such as chemical processing, pharmaceuticals, food processing, and research laboratories.
8. Cost-Effective: Oil-sealed vacuum pumps are often considered cost-effective options for many applications. They generally have a lower initial cost compared to some other types of high-vacuum pumps. Additionally, the maintenance and operating costs are relatively lower, making them an economical choice for industries that require reliable vacuum performance.
9. Simplicity and Ease of Maintenance: Oil-sealed vacuum pumps are relatively simple in design and easy to maintain. Routine maintenance typically involves monitoring oil levels, changing the oil periodically, and inspecting and replacing worn-out parts as necessary. The simplicity of maintenance procedures contributes to the overall cost-effectiveness and ease of operation.
10. Compatibility with Other Equipment: Oil-sealed vacuum pumps are compatible with various process equipment and systems. They can be easily integrated into existing setups or used in conjunction with other vacuum-related equipment, such as vacuum chambers, distillation systems, or industrial process equipment.
These advantages make oil-sealed vacuum pumps a popular choice in many industries where reliable, high-performance vacuum systems are required. However, it’s important to consider specific application requirements and consult with experts to determine the most suitable type of vacuum pump for a particular use case.
How Do Vacuum Pumps Contribute to Energy Savings?
Vacuum pumps play a significant role in energy savings in various industries and applications. Here’s a detailed explanation:
Vacuum pumps contribute to energy savings through several mechanisms and efficiencies. Some of the key ways in which vacuum pumps help conserve energy are:
1. Improved Process Efficiency: Vacuum pumps are often used to remove gases and create low-pressure or vacuum conditions in industrial processes. By reducing the pressure, vacuum pumps enable the removal of unwanted gases or vapors, improving the efficiency of the process. For example, in distillation or evaporation processes, vacuum pumps help lower the boiling points of liquids, allowing them to evaporate or distill at lower temperatures. This results in energy savings as less heat is required to achieve the desired separation or concentration.
2. Reduced Energy Consumption: Vacuum pumps are designed to operate efficiently and consume less energy compared to other types of equipment that perform similar functions. Modern vacuum pump designs incorporate advanced technologies, such as variable speed drives, energy-efficient motors, and optimized control systems. These features allow vacuum pumps to adjust their operation based on demand, reducing energy consumption during periods of lower process requirements. By consuming less energy, vacuum pumps contribute to overall energy savings in industrial operations.
3. Leak Detection and Reduction: Vacuum pumps are often used in leak detection processes to identify and locate leaks in systems or equipment. By creating a vacuum or low-pressure environment, vacuum pumps can assess the integrity of a system and identify any sources of leakage. Detecting and repairing leaks promptly helps prevent energy wastage associated with the loss of pressurized fluids or gases. By addressing leaks, vacuum pumps assist in reducing energy losses and improving the overall energy efficiency of the system.
4. Energy Recovery Systems: In some applications, vacuum pumps can be integrated into energy recovery systems. For instance, in certain manufacturing processes, the exhaust gases from vacuum pumps may contain heat or have the potential for energy recovery. By utilizing heat exchangers or other heat recovery systems, the thermal energy from the exhaust gases can be captured and reused to preheat incoming fluids or provide heat to other parts of the process. This energy recovery approach further enhances the overall energy efficiency by utilizing waste heat that would otherwise be lost.
5. System Optimization and Control: Vacuum pumps are often integrated into centralized vacuum systems that serve multiple processes or equipment. These systems allow for better control, monitoring, and optimization of the vacuum generation and distribution. By centralizing the vacuum production and employing intelligent control strategies, energy consumption can be optimized based on the specific process requirements. This ensures that vacuum pumps operate at the most efficient levels, resulting in energy savings.
6. Maintenance and Service: Proper maintenance and regular servicing of vacuum pumps are essential for their optimal performance and energy efficiency. Routine maintenance includes tasks such as cleaning, lubrication, and inspection of pump components. Well-maintained pumps operate more efficiently, reducing energy consumption. Additionally, prompt repair of any faulty parts or addressing performance issues helps maintain the pump’s efficiency and prevents energy waste.
In summary, vacuum pumps contribute to energy savings through improved process efficiency, reduced energy consumption, leak detection and reduction, integration with energy recovery systems, system optimization and control, as well as proper maintenance and service. By utilizing vacuum pumps efficiently and effectively, industries can minimize energy waste, optimize energy usage, and achieve significant energy savings in various applications and processes.
How Do You Choose the Right Size Vacuum Pump for a Specific Application?
Choosing the right size vacuum pump for a specific application involves considering several factors to ensure optimal performance and efficiency. Here’s a detailed explanation:
1. Required Vacuum Level: The first consideration is the desired vacuum level for your application. Different applications have varying vacuum level requirements, ranging from low vacuum to high vacuum or even ultra-high vacuum. Determine the specific vacuum level needed, such as microns of mercury (mmHg) or pascals (Pa), and choose a vacuum pump capable of achieving and maintaining that level.
2. Pumping Speed: The pumping speed, also known as the displacement or flow rate, is the volume of gas a vacuum pump can remove from a system per unit of time. It is typically expressed in liters per second (L/s) or cubic feet per minute (CFM). Consider the required pumping speed for your application, which depends on factors such as the volume of the system, the gas load, and the desired evacuation time.
3. Gas Load and Composition: The type and composition of the gas or vapor being pumped play a significant role in selecting the right vacuum pump. Different pumps have varying capabilities and compatibilities with specific gases. Some pumps may be suitable for pumping only non-reactive gases, while others can handle corrosive gases or vapors. Consider the gas load and its potential impact on the pump’s performance and materials of construction.
4. Backing Pump Requirements: In some applications, a vacuum pump may require a backing pump to reach and maintain the desired vacuum level. A backing pump provides a rough vacuum, which is then further processed by the primary vacuum pump. Consider whether your application requires a backing pump and ensure compatibility and proper sizing between the primary pump and the backing pump.
5. System Leakage: Evaluate the potential leakage in your system. If your system has significant leakage, you may need a vacuum pump with a higher pumping speed to compensate for the continuous influx of gas. Additionally, consider the impact of leakage on the required vacuum level and the pump’s ability to maintain it.
6. Power Requirements and Operating Cost: Consider the power requirements of the vacuum pump and ensure that your facility can provide the necessary electrical supply. Additionally, assess the operating cost, including energy consumption and maintenance requirements, to choose a pump that aligns with your budget and operational considerations.
7. Size and Space Constraints: Take into account the physical size of the vacuum pump and whether it can fit within the available space in your facility. Consider factors such as pump dimensions, weight, and the need for any additional accessories or support equipment.
8. Manufacturer’s Recommendations and Expert Advice: Consult the manufacturer’s specifications, guidelines, and recommendations for selecting the right pump for your specific application. Additionally, seek expert advice from vacuum pump specialists or engineers who can provide insights based on their experience and knowledge.
By considering these factors and evaluating the specific requirements of your application, you can select the right size vacuum pump that meets the desired vacuum level, pumping speed, gas compatibility, and other essential criteria. Choosing the appropriate vacuum pump ensures efficient operation, optimal performance, and longevity for your application.
editor by CX 2023-11-16
China Professional High Density Hydraulic Ceramic Vacuum Piston Pump Transporting Slip vacuum pump
Product Description
Product Description
The ceramic Piston Pump is designed and manufactured by American Block our K-Series mud pumps are ideally suited for all drilling applications. They range from 800 to 2200 HP and exceed the quality and performance of other mud pump manufacturers. For deep drilling performance or maximum efficiency, K-Series pumps provide the best power-to-weight ratios and the smallest footprint in the industry.
Manufactured for continuous operation at maximum working pressure each pump incorporates; an inherently balanced forged-steel crankshaft to minimize wear, noise, and, vibration. Also, each pump is fully load-tested to ensure quality and performance.
Technical Parameter
| model | Limited Data(m3/h) | Pressure range(MPa) | preset pressure(MPa) | Red times (times/min) | stroke(mm) | Motor Power(kW) | Dimensions (L x W x H) | Total Weight(kg) |
| YB-85 | 3.0 | 0-2.0 | 2.0 | 24 | 200 | 4 | 1230x850x1600 | 550 |
| YB-120D | 7.1 | 0-2.5 | 2.0 | 24 | 200 | 11 | 1600x1200x1900 | 850 |
| YB-120G | 7.1 | 0-3.0 | 2.5 | 24 | 250 | 11 | 1600x1200x1900 | 850 |
| YB-140D | 10 | 0-2.5 | 2.0 | 26 | 250 | 11 | 1600x1200x1900 | 900 |
| YB-140G | 10 | 0-3.0 | 2.5 | 26 | 250 | 11 | 1600x1200x1900 | 900 |
| YB-200 | 19 | 0-2.5 | 2.0 | 26 | 250 | 18.5 | 1700x1300x2000 | 1300 |
| YB-250 | 30 | 0-2.5 | 2.0 | 22 | 250 | 22 | 1960x1700x2150 | 1800 |
Details & Features
1. driven by hydraulic double cylinder and double function
2. adopting alumina cylinder and combined seals
3. simple structure, light size, lightweight
4. easy manipulation and maintenance
5. Long work life
Product Application
high-pressure hydraulic plunger piston pump is widely used with a filter press, it can be used for:
- Ceramic slurry, coal water slurry transportation, kaolin, stone sewage, and non-metallic mineral suspension transportation
- Transportation of suspension, chemical and pharmaceutical slurry, electronic slurry, etc.
- Printing and dyeing, leather, paper making, electroplating, piling, sand washing, sand making, drilling, tailings, coal mine, and other sludge transportation
- Transport of sludge from rivers, lakes, and municipal sludge
- Farm manure, biogas, residue, etc.
Packing & Shipping
In order to protect our ceramic ram piston pump, we usually wrap the machine with plastic wrap and pack it in a plywood box.
FAQ
1. Are you a manufacturer?
Yes. We are 1 of the leading manufacturers
2. Do you have Stock productions to sell?
Yes, of course. But we also offer OEM service. Please send us some drawings.
3. What information do you want to know if I want to get a quotation?
a). The model/size of your products.
b). The application for your products.
c). Special package methods if you need them.
d). Raw material.
4. Do you inspect the finished products?
Yes. Each step of products will be carried out inspection by the QC department until shipping
5. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
6. what can you buy from us?
Engineering & Construction Machinery, Metal forming equipment, agricultural machinery, Garden machinery, construction machinery
7. why should you buy from us not from other suppliers?
The company is mainly in industrial processing and manufacturing. It is an entity factory integrating R & D, production, and sales. It has 12 years of design and R & D experience and currently has 15 R & D engineers.
Why Choose Us
1. 24-hour online service, Chinese, English, Spanish, French, German, and Russian support, and technical guidance.
2. When meets machine failure problem, our factory will ensure that the problem is solved within 1 hour.
3. Provide machine install video.
4. Provide logistics information, like shipping by sea, shipping by express DHL, FEDEX delivery, and real-time tracking service.
5. If the machine is broken, Non-human causes, the new device will be provided or new parts will be provided.
| After-sales Service: | One Year |
|---|---|
| Warranty: | One Year |
| Structure: | Single or Double Cylinders |
| Power: | Electric |
| Application: | Biofuel Industry, Drinking Water Treatment, Food. |
| Performance: | Corrosion |
| Customization: |
Available
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How Does Piston Displacement Affect the Pump’s Performance?
Piston displacement is a crucial factor that significantly affects the performance of a piston vacuum pump. Here’s a detailed explanation:
Piston displacement refers to the volume of gas or air that a piston vacuum pump can move during each stroke of the piston. It determines the pump’s capacity or flow rate, which is the amount of gas that the pump can evacuate per unit of time.
1. Flow Rate:
– The piston displacement directly influences the flow rate of the pump.
– A larger piston displacement corresponds to a higher flow rate, meaning the pump can evacuate a larger volume of gas per unit of time.
– Conversely, a smaller piston displacement results in a lower flow rate.
2. Pumping Speed:
– The pumping speed is a measure of how quickly a vacuum pump can remove gas molecules from a system.
– The piston displacement is directly related to the pumping speed of the pump.
– A larger piston displacement leads to a higher pumping speed, allowing for faster evacuation of the system.
– A smaller piston displacement results in a lower pumping speed, which may require more time to achieve the desired vacuum level.
3. Vacuum Level:
– The piston displacement indirectly affects the achievable vacuum level of the pump.
– A larger piston displacement can help reach lower pressures and achieve a deeper vacuum.
– However, it’s important to note that achieving a deep vacuum also depends on other factors such as the design of the pump, the quality of the seals, and the operating conditions.
4. Power Consumption:
– The piston displacement can impact the power consumption of the pump.
– A larger piston displacement typically requires more power to operate the pump due to the increased volume of gas being moved.
– Conversely, a smaller piston displacement may result in lower power consumption.
5. Size and Weight:
– The piston displacement affects the size and weight of the pump.
– A larger piston displacement generally requires a larger pump size and may increase the weight of the pump.
– On the other hand, a smaller piston displacement can result in a more compact and lightweight pump.
It’s important to select a piston vacuum pump with an appropriate piston displacement based on the specific application requirements.
In summary, the piston displacement of a vacuum pump directly influences its flow rate, pumping speed, achievable vacuum level, power consumption, and size. Understanding the relationship between piston displacement and pump performance is crucial in choosing the right pump for a given application.
Are There Noise Considerations When Using Piston Vacuum Pumps?
Yes, there are noise considerations to take into account when using piston vacuum pumps. Here’s a detailed explanation:
– Piston vacuum pumps can generate noise during their operation, which is important to consider, especially in environments where noise levels need to be minimized.
– The noise produced by piston vacuum pumps is primarily caused by mechanical vibrations and the movement of internal components.
– The noise level can vary depending on factors such as the design and construction of the pump, the speed of operation, and the load conditions.
– Excessive noise from piston vacuum pumps can have several implications:
– Occupational Health and Safety: High noise levels can pose a risk to the health and safety of operators and personnel working in the vicinity of the pump. Prolonged exposure to loud noise can lead to hearing damage and other related health issues.
– Environmental Impact: In certain settings, such as residential areas or noise-sensitive locations, excessive noise from piston vacuum pumps may result in noise pollution and non-compliance with local noise regulations.
– Equipment Interference: Noise generated by the pump can interfere with the operation of nearby sensitive equipment, such as electronic devices or precision instruments, potentially affecting their performance.
– To mitigate the noise produced by piston vacuum pumps, several measures can be taken:
– Enclosures and Sound Insulation: Installing acoustic enclosures or sound-insulating materials around the pump can help contain and reduce the noise. These enclosures are designed to absorb or block the sound waves generated by the pump.
– Vibration Isolation: Using vibration isolation mounts or pads can help minimize the transmission of vibrations from the pump to surrounding structures, reducing the noise level.
– Maintenance and Lubrication: Regular maintenance, including lubrication of moving parts, can help reduce friction and mechanical noise generated by the pump.
– Operating Conditions: Adjusting the operating conditions of the pump, such as speed and load, within the manufacturer’s specified limits can help optimize performance and minimize noise generation.
– Location and Placement: Proper positioning and placement of the pump, considering factors such as distance from occupied areas or sensitive equipment, can help minimize the impact of noise.
– It is important to consult the manufacturer’s guidelines and recommendations regarding noise levels and any specific measures to mitigate noise for a particular piston vacuum pump model.
– Compliance with local regulations and standards regarding noise emissions should also be considered and adhered to.
In summary, noise considerations are important when using piston vacuum pumps to ensure the health and safety of personnel, minimize environmental impact, and prevent interference with other equipment. Measures such as enclosures, vibration isolation, maintenance, and proper operating conditions can help mitigate the noise generated by these pumps.
How Do You Maintain and Service a Piston Vacuum Pump?
Maintaining and servicing a piston vacuum pump is essential to ensure its optimal performance and longevity. Here’s a detailed explanation:
1. Regular Inspection:
– Perform regular visual inspections of the pump to check for any signs of damage, leaks, or wear.
– Inspect the seals, gaskets, and fittings for any cracks or deterioration.
– Ensure that all connections are tight and secure.
2. Oil Change:
– Piston vacuum pumps typically require regular oil changes to maintain proper lubrication and prevent contamination.
– Follow the manufacturer’s guidelines regarding the frequency of oil changes.
– Drain the old oil completely and replace it with the recommended oil type and quantity.
– Dispose of the used oil according to proper environmental regulations.
3. Filter Replacement:
– Many piston vacuum pumps have filters to prevent dust, particles, and contaminants from entering the pump.
– Check the filter regularly and replace it as needed to maintain proper airflow and prevent clogging.
4. Cleaning:
– Keep the exterior of the pump and its surrounding area clean and free from debris.
– Use a soft cloth or brush to remove any dust or dirt accumulation.
– Avoid using harsh chemicals or solvents that may damage the pump’s surfaces.
5. Seals and Gaskets:
– Inspect the seals and gaskets regularly and replace them if they show signs of wear or damage.
– Ensure that the seals provide a proper airtight seal to prevent leaks and maintain vacuum performance.
6. Cooling System:
– If the piston vacuum pump has a cooling system, monitor it regularly to ensure proper functioning.
– Clean or replace the cooling system components as recommended by the manufacturer.
7. Professional Maintenance:
– Consider scheduling professional maintenance and service at regular intervals, especially for more complex or critical applications.
– Professional technicians can perform in-depth inspections, conduct performance tests, and address any specific issues or concerns.
– They can also provide recommendations on optimizing the pump’s performance and extending its lifespan.
8. Manufacturer Guidelines:
– Always refer to the manufacturer’s maintenance and service guidelines specific to your piston vacuum pump model.
– Follow their recommendations regarding oil type, oil level, maintenance intervals, and any other specific instructions.
– Adhering to the manufacturer’s guidelines ensures proper operation and prevents voiding the warranty.
In summary, maintaining and servicing a piston vacuum pump involves regular inspection, oil changes, filter replacement, cleaning, checking seals and gaskets, monitoring the cooling system, and considering professional maintenance. Following the manufacturer’s guidelines is crucial for effective maintenance and to maximize the pump’s performance and lifespan.
editor by CX 2023-11-14
China Best Sales High Efficiency Vacuum Hydraulic Screw Concrete Pump for Sale vacuum pump distributors
Product Description
High Efficiency Vacuum Hydraulic Screw Concrete Pump for Sale
Product introduction
Single screw pumps can be used for conveying single or multiple media fluids, including neutral or corrosive, clean or abrasive, gas-containing or bubble-prone, high-viscosity or low-viscosity, as well as liquids containing fibers or CZPT particles, which are widely used in various industrial sectors.
Performance Parameter Table
| Model | Flow rate(m’/h) | Lift (m) | Presuure (MPa) | Rotary rate(r /min) | Motor power (kW) | Inlet (mm) | Outlet (mm) |
| G25-1 | 2 | 60 | 0.6 | 960 | 1.5 | Dg32 | Dg25 |
| G25-2 | 2 | 120 | 1.2 | 2.2 | Dg32 | Dg25 | |
| G30-1 | 5 | 60 | 0.6 | 2.2 | Dg50 | Dg40 | |
| G30-2 | 5 | 120 | 12 | 3.0 | Dg50 | Dg40 | |
| G35-1 | 8 | 60 | 0.6 | 3.0 | Dg65 | Dg50 | |
| G35-2 | 8 | 120 | 12 | 4.0 | Dg65 | Dg50 | |
| 040-1 | 12 | 60 | 06 | 4.0 | Dg80 | Dg65 | |
| G40-2 | 12 | 120 | 12 | 55 | Dg80 | Dg65 | |
| G50-1 | 20 | 60 | 0.6 | 55 | Dg100 | Dg80 | |
| G50-2 | 20 | 120 | 12 | 75 | Dg100 | Dg80 | |
| G60-1 | 30 | 60 | 0.6 | 11 | Dg125 | Dq100 | |
| G60-2 | 30 | 120 | 12 | 15 | Dg125 | Dg100 | |
| G70-1 | 45 | 60 | 0.6 | 15 | Dg150 | Dg125 |
Working principle
Screw pump is a propulsive volumetric pump, the main components are the rotor and stator, the rotor is a large lead and a large tooth height and a small spiral inner diameter of the screw (rotor) stator is matched with the double screw thread and the screw sleeve, so that between the rotor and the stator formed the storage medium space, when the rotor is running in the stator, the medium along the axial from the suction end of the discharging movement.
Performance Parameter Table
| Model | L1 | L2 | L3 | L4 | L5 | H | H1 | B | B1 | |
| G25-1 | 100 | 400 | 400 | 315 | 1130 | 150 | 250 | 160 | 180 | 14X6 |
| 571-2 | 95 | 455 | 485 | 450 | 1270 | 160 | 265 | 160 | 180 | 14X6 |
| G30-1 | 90 | 540 | 545 | 400 | 1265 | 200 | 325 | 200 | 200 | 16X6 |
| G30-2 | 100 | 560 | 570 | 550 | 1520 | 210 | 335 | 200 | 240 | 16×6 |
| G35-1 | 100 | 475 | 525 | 440 | 1400 | 210 | 330 | 200 | 240 | 16×6 |
| G35-2 | 100 | 580 | 640 | 620 | 1610 | 215 | 340 | 200 | 240 | 16×6 |
| G40-1 | 100 | 615 | 685 | 500 | 1700 | 220 | 340 | 210 | 240 | 16×6 |
| G40-2 | 110 | 620 | 664 | 715 | 1925 | 230 | 350 | 210 | 240 | 18×6 |
| G50-1 | 110 | 620 | 634 | 650 | 1750 | 230 | 365 | 220 | 240 | |
| G50-2 | 110 | 730 | 750 | 735 | 1975 | 240 | 380 | 230 | 295 | |
| G60-1 | 120 | 690 | 690 | 600 | 1850 | 250 | 415 | 240 | 295 | |
| G60-2 | 120 | 810 | 820 | 940 | 2180 | 255 | 420 | 260 | 320 | |
| G70-1 | 120 | 720 | 730 | 780 | 1995 | 275 | 450 | 280 | 320 | 20×6 |
Advantages
Compared with the centrifugal pump, screw pump does not need to install valves. Its flow is stable and linear.
Compared with the plunger pump, screw pump has strong self suction capacity and high suction height.
Compared with diaphragm pump, screw pump can transport various mixed impurities containing gas, CZPT particles or fiber media, and can also transport various corrosive substances.
Compared with gear pump, screw pump can transport substances with high viscosity.
Unlike plunger pump, diaphragm pump and gear pump, screw pump can be used for reagent filling and metering.
Work characteristics
-The spiral seal in contact with the stator and rotor completely separates the income chamber from the discharge chamber, so that the pump has the isolation effect of the valve.
-Multi-phase mixed transport of liquid, gas and CZPT can be realized.
-The volume does not change when the fluid flows in the pump, there is no turbulent stirring and pulsation.
-The volume cavity formed by the elastic stator can effectively reduce the abrasion of the medium containing CZPT particles.
-Input medium viscosity up to 5000MPa-S CZPT content up to 50%.
-The flow rate is proportional to the rotational speed, and the automatic adjustment of the volume can be realized with the help of governor.
-Pumps can be positive and negative conveying.
Application areas
1Dirt treatment: sewage, dirty oil, sludge containing solids and all kinds of chemicals.
2Chemical industry: acid, alkali, salt, a variety of viscous pasty emulsion chemical slurry, molding ointment, dyes, pigments, inks, paints.
3Energy industry: a variety of fuel oil (oil, crude oil, diesel fuel) oil and coal, water, coal slurry, coal sludge and nuclear waste.
4Paper industry: a variety of cellulose and pulp, paint, black liquid treatment, etc.
5Ceramic industry: china clay, refractory clay, glaze, bentonite, silica.
6exploration and mining: all kinds of drilling mud, tunneling, oil, water, concrete multi-phase mixed transport.
7Pharmaceuticals, food, cosmetic industry, all kinds of syrup, jam, starch paste, paste, hops, mashed potatoes, alcohol, chocolate and so on.
Related product
Details of product
Company profile
Recommended product
| After-sales Service: | Online Service |
|---|---|
| Warranty: | 1 Year |
| Screw Number: | Single Screw Pump |
| Screw Suction Method: | Single Suction |
| Pump Shaft Position: | Horizontal |
| Performance: | No Leak |
| Customization: |
Available
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Types of vacuum pumps
A vacuum pump is a device that draws gas molecules from a sealed volume and maintains a partial vacuum. Its job is to create a vacuum in a volume, usually one of several. There are several types of vacuum pumps, such as root pumps, diaphragm pumps, rotary piston pumps, and self-priming centrifugal pumps.
The diaphragm pump is a dry positive displacement vacuum pump
Diaphragm pumps are a versatile type of vacuum pump. They can be installed in a variety of scenarios including container emptying, positive suction, and simultaneous fluid mixing. Their performance depends on the stiffness and durability of the diaphragm, which in turn depends on the material.
They have good performance when running in dry mode. Diaphragm pumps work very similarly to the human heart, which is why they are often used to create artificial hearts. In addition, the diaphragm pump is self-priming and has high efficiency. They are also capable of handling the most viscous liquids and are used in almost all industries.
However, this type of pump has several disadvantages. One of them is that they are difficult to restart after a power outage. Another disadvantage is that they can generate a lot of heat. Fortunately, this heat is carried away by airflow. However, this heat builds up in the multistage pump. If this happens, the diaphragm or motor may be damaged. Diaphragm pumps operating in two or more stages should be fitted with solenoid valves to maintain vacuum stability.
Diaphragm pumps are a good choice for drying processes where hygiene is important. These pumps have check valves and rubber or Teflon diaphragms. Diaphragm pumps are also ideal for high viscosity applications where shear sensitivity is important.
Roots pumps are dry method centrifugal pumps
Roots pumps use a vane rotor pump with two counter-rotating vanes that move in opposite directions to move the gas. They are often the first choice for high-throughput process applications. Depending on the size and number of blades, they can withstand up to 10 Torr.
Centrifugal pumps have several advantages, including the ability to handle corrosive fluids and high temperatures. However, when choosing a pump, it is essential to choose a reputable manufacturer. These companies will be able to advise you on the best pump design for your needs and provide excellent after-sales support. Roots pumps can be used in a wide range of industrial applications including chemical, food, and biotechnology.
The Roots pump is a dry centrifugal pump whose geometry enables it to achieve high compression ratios. The screw rotors are synchronized by a set of timing gears that allow gas to pass in both directions and create a compressed state in the chamber. The pre-compressed gas is discharged through a pressure connection and cooled with water. Some pumps are also able to accept additional cooling gas, but this should be done with caution.
The size of the impeller plays an important role in determining the pump head. The impeller diameter determines how high the pump can lift the liquid. Impeller speed also affects the head. Since the head is proportional to the specific gravity of the liquid, the available suction pressure will be proportional to the density of the liquid. The density of water is about 1.2 kg/m3, and the suction pressure of the centrifugal pump is not enough to lift the water.
The rotary vane pump is a self-priming centrifugal pump
A rotary vane pump is a centrifugal pump with a circular pump head and a cycloid cam that supports the rotor. The rotor is close to the cam wall, and two side plates seal the rotor. Vanes in vane pumps are installed in these cavities, and the rotor rotates at high speed, pushing fluid in and out of the pump. The pump offers several advantages, including a reversible design and the ability to handle a wide variety of clean fluids.
Agknx Pumps manufactures a wide range of vane pumps that combine high performance, low cost, and easy maintenance. These pumps handle medium to high viscosity liquids up to 500 degrees Fahrenheit and 200,000 SSU.
The suction side of the rotary vane pump has a discharge port, and the valve prevents the backflow of the discharge air. When the maximum pressure is reached, the outlet valve closes to prevent the backflow of exhaust gas. The mechanical separation step separates the oil from the gas in the pump circuit and returns the remaining oil particles to the sump. The float valve then reintroduces these oil particles into the oil circuit of the pump. The gas produced is almost oil-free and can be blown out of a pipe or hose.
Rotary vane pumps are self-priming positive displacement pumps commonly used in hydraulic, aeration, and vacuum systems. Unlike gear pumps, rotary vane pumps can maintain high-pressure levels while using relatively low suction pressures. The pump is also very effective when pumping viscous or high-viscosity liquids. 
Rotary piston pumps are dry method positive displacement pumps
Rotary piston pumps are dry positive displacement pumps designed to deliver high-viscosity fluids. They are capable of pumping a variety of liquids and can run dry without damaging the liquid. Rotary piston pumps are available in a variety of designs. Some are single shafts, some are two shafts and four bearings.
Positive displacement pumps operate slower than centrifugal pumps. This feature makes the positive displacement pump more sensitive to wear. Piston and plunger reciprocating pumps are particularly prone to wear. For more demanding applications, progressive cavity, diaphragm or lobe pumps may be a better choice.
Positive displacement pumps are typically used to pump high-viscosity fluids. This is because the pump relies on a mechanical seal between the rotating elements and the pump casing. As a result, when fluids have low viscosity, their performance is limited. Additionally, low viscosity fluids can cause valve slippage.
These pumps have a piston/plunger arrangement using stainless steel rotors. Piston/piston pumps have two cavities on the suction side. The fluid then flows from one chamber to the other through a helical motion. This results in very low shear and pulsation rates. The pump is usually installed in a cylindrical housing.
Rotary vane pump corrosion resistance
Rotary vane vacuum pumps are designed for use in a variety of industries. They feature plasma-treated corrosion-resistant parts and anti-suck-back valves to help reduce the number of corrosive vapors entering the pump. These pumps are commonly used in freeze dryers, vacuum ovens, and degassing processes. The high flow rates they provide in their working vacuum allow them to speed up processes and reduce the time it takes to run them. Plus, they have energy-efficient motors and silent volume. <br/While rotary vane vacuum pumps are relatively corrosion resistant, they should not be used for aggressive chemicals. For these chemicals, the most suitable pump is the chemical mixing pump, which combines two types of pumps to improve corrosion resistance. If the application requires a more powerful pump, a progressive cavity pump (eg VACUU*PURE 10C) is suitable.
Oil seals used in rotary vane pumps are important to pump performance. The oil seal prevents corrosion of the aluminum parts of the rotary vane pump and prolongs the service life. Most rotary vane vacuum pumps have a standard set of components, although each component may have different oil seals.
Rotary vane vacuum pumps are the most common type of positive displacement pump. They provide quiet operation and long service life. They are also reliable and inexpensive and can be used in a variety of applications. 
Roots pumps are primarily used as a vacuum booster
Root vacuum pumps are mainly used as vacuum boosters in industrial applications. They need a thorough understanding of operating principles and proper maintenance to function properly. This course is an introduction to Roots vacuum pumps, covering topics such as pump principles, multi-stage pumps, temperature effects, gas cooling, and maintenance.
Roots pumps have many advantages, including compact and quiet operation. They do not generate particles and have a long service life. They also don’t require oil and have a small footprint. However, Roots pumps have several disadvantages, including relatively high maintenance costs and low pumping speeds near atmospheric pressure.
Root vacuum pumps are often used with rotary vane vacuum pumps. They work on the same principle, the air enters a conveying unit formed by two rolling pistons in the housing. The piston heads are separated from each other, and the air passes through the unit without being reduced until it is discharged. When the air in the next unit reaches a higher absolute pressure, it is expelled from the last unit.
Roots pumps can be classified as sheathed or sealed. Roots pumps with sealed motors are suitable for pumping toxic gases. They have less clearance between the stator and motor rotor and have a sealed tank.
editor by CX 2023-11-14
China Wholesale Single/Double Rotary Hydraulic Vane Vacuum Sliding Pump with Parker Denison Yuken PV2r Vickers Tokyo Keiki Tokimec Kcl V20f 45V60A 35V35A LPG vacuum pump belt
Item Description
HangZhou High-Tech Zone CZPT Intercontinental Trade Co., Ltd. is 1 of the biggest hydraulic services company and company in China.
We, CZPT business specialize in hydraulic subject a lot more than fifteen several years with expert team and experienced engineer. Our very own 6 factories are in HangZhou, China. We warmly welcome properly certified purchasers to pay a visit to our company for investigation so as to guarantee lengthy-phrase cooperation and massive orders signing. Of program, we are also very welcome and assistance consultation and obtain from retailers irrespective of the sum bought.
High functionality rotary group with effectively-established spherical management area providing the pursuing positive aspects, self-centering.
— Low periph-eral speed — High obligation roller bearing for intermettent higher force operation.
— For steady responsibility hydrostatic are availabe.
— Excellent starting qualities.
— High electricity density
— Optional mounting position
— High successful.
— Long service existence sturdy rolling bearing.
— Drive shaft will assist radial hundreds.
— Low noise level.
— High obligation roller bearing for intermettent large force procedure.
— For continuous duty hydrostatic are availabe.
— Excellent starting attributes.
— High power density
— Optional mounting position
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1 Piece (Min. Order) |
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| Type: | Vane Pump |
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| Stock: | in Stock |
| Size: | The Same as The Original |
| Performance Evaluation: | 100% Close to The Original |
| Manufacturers: | China Suppliers |
| High Quality: | Hot Sale Good Quality |
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| Customization: |
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/ Piece | |
1 Piece (Min. Order) |
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| Type: | Vane Pump |
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| Stock: | in Stock |
| Size: | The Same as The Original |
| Performance Evaluation: | 100% Close to The Original |
| Manufacturers: | China Suppliers |
| High Quality: | Hot Sale Good Quality |
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Basic knowledge of vacuum pump
A vacuum pump is a device that draws gas molecules from a sealed volume and maintains a partial vacuum. Its main job is to create a relative vacuum within a given volume or volumes. There are many types of vacuum pumps. This article will describe how they work, their types, and their applications. 
How it works
A vacuum pump is a mechanical device that removes gas from a system by applying it to a higher pressure than the surrounding atmosphere. The working principle of the vacuum pump is based on the principle of gas transfer and entrapment. Vacuum pumps can be classified according to their vacuum level and the number of molecules that can be removed per cubic centimeter of space. In medium to high vacuum, viscous flow occurs when gas molecules collide with each other. Increasing the vacuum causes molecular or transitional flow.
A vacuum pump has several components that make it a versatile tool. One of the main components is the motor, which consists of a rotor and a stator. The rotor and stator contain coils that generate a magnetic field when excited. Both parts must be mounted on a base that supports the weight of the pump. There is also an oil drain that circulates oil throughout the system for lubrication and cooling purposes.
Another type of vacuum pump is the liquid ring vacuum pump. It works by positioning the impeller above or below the blades. Liquid ring pumps can also adjust the speed of the impeller. However, if you plan to use this type of pump, it is advisable to consult a specialist.
Vacuum pumps work by moving gas molecules to areas of higher or lower pressure. As the pressure decreases, the removal of the molecules becomes more difficult. Industrial vacuum systems require pumps capable of operating in the 1 to 10-6 Torr range.
Type
There are different types of vacuum pumps. They are used in many different applications, such as laboratories. The main purpose of these pumps is to remove air or gas molecules from the vacuum chamber. Different types of pumps use different techniques to achieve this. Some types of pumps use positive displacement, while others use liquid ring, molecular transfer, and entrapment techniques.
Some of these pumps are used in industrial processes, including making vacuum tubes, CRTs, electric lights, and semiconductor processing. They are also used in motor vehicles to power hydraulic components and aircraft. The gyroscope is usually controlled by these pumps. In some cases, they are also used in medical settings.
How a vacuum pump works depends on the type of gas being pumped. There are three main types: positive displacement, negative displacement, and momentum transfer. Depending on the type of lubrication, these principles can be further divided into different types of pumps. For example, dry vacuum pumps are less sensitive to gases and vapors.
Another type of vacuum pump is called a rotary vane pump. This type of pump has two main components, the rotor and the vacuum chamber. These pumps work by rotating moving parts against the pump casing. The mating surfaces of rotary pumps are designed with very small clearances to prevent fluid leakage to the low pressure side. They are suitable for vacuum applications requiring low pulsation and high continuous flow. However, they are not suitable for use with grinding media.
There are many types of vacuum pumps and it is important to choose the right one for your application. The type of pump depends on the needs and purpose of the system. The larger ones can work continuously, and the smaller ones are more suitable for intermittent use. 
Apply
Vacuum pumps are used in a variety of industrial and scientific processes. For example, they are used in the production of vacuum tubes, CRTs, and electric lamps. They are also used in semiconductor processing. Vacuum pumps are also used as mechanical supports for other equipment. For example, there may be multiple vacuum pumps on the engine of a motor vehicle that powers the hydraulic components of an aircraft. In addition, they are often used in fusion research.
The most common type of vacuum pump used in the laboratory is the rotary vane pump. It works by directing airflow through a series of rotating blades in a circular housing. As the blades pass through the casing, they remove gas from the cavity and create a vacuum. Rotary pumps are usually single or double-stage and can handle pressures between 10 and 6 bar. It also has a high pumping speed.
Vacuum pumps are also used to fabricate solar cells on wafers. This involves a range of processes including doping, diffusion, dry etching, plasma-enhanced chemical vapor deposition, and bulk powder generation. These applications depend on the type of vacuum pump used in the process, and the vacuum pump chosen should be designed for the environment.
While there are several types of vacuum pumps available, their basic working principles remain the same. Each has different functions and capacities, depending on the type of vacuum. Generally divided into positive displacement pump, rotary vane pump, liquid ring pump, and molecular delivery pump.
Maintenance
The party responsible for general maintenance and repairs is the Principal Investigator (PI). Agknxs must be followed and approved by the PI and other relevant laboratory personnel. The Agknx provides guidelines for routine maintenance of vacuum pump equipment. Agknxs are not intended to replace detailed routine inspections of vacuum pump equipment, which should be performed by certified/qualified service personnel. If the device fails, the user should contact PI or RP for assistance.
First, check the vacuum pump for any loose parts. Make sure the inlet and outlet pressure gauges are open. When the proper pressure is shown, open the gate valve. Also, check the vacuum pump head and flow. Flow and head should be within the range indicated on the label. Bearing temperature should be within 35°F and maximum temperature should not exceed 80°F. The vacuum pump bushing should be replaced when it is severely worn.
If the vacuum pump has experienced several abnormal operating conditions, a performance test should be performed. Results should be compared to reference values to identify abnormalities. To avoid premature pump failure, a systematic approach to predictive maintenance is essential. This is a relatively new area in the semiconductor industry, but leading semiconductor companies and major vacuum pump suppliers have yet to develop a consistent approach.
A simplified pump-down test method is proposed to evaluate the performance of vacuum pumps. The method includes simulated aeration field tests and four pump performance indicators. Performance metrics are evaluated under gas-loaded, idle, and gas-load-dependent test conditions. 
Cost
The total cost of a vacuum pump consists of two main components: the initial investment and ongoing maintenance costs. The latter is the most expensive component, as it consumes about four to five times the initial investment. Therefore, choosing a more energy-efficient model is a good way to reduce the total system cost and payback period.
The initial cost of a vacuum pump is about $786. Oil-lubricated rotary vane pumps are the cheapest, while oil-free rotary vane pumps are slightly more expensive. Non-contact pumps also cost slightly more. The cost of a vacuum pump is not high, but it is a factor that needs careful consideration.
When choosing a vacuum pump, it is important to consider the type of gas being pumped. Some pumps are only suitable for pumping air, while others are designed to pump helium. Oil-free air has a different pumping rate profile than air. Therefore, you need to consider the characteristics of the medium to ensure that the pump meets your requirements. The cost of a vacuum pump can be much higher than the purchase price, as the daily running and maintenance costs can be much higher.
Lubricated vacuum pumps tend to be more durable and less expensive, but they may require more maintenance. Maintenance costs will depend on the type of gas that needs to be pumped. Lighter gases need to be pumped slowly, while heavier gases need to be pumped faster. The maintenance level of a vacuum pump also depends on how often it needs to be lubricated.
Diaphragm vacuum pumps require regular maintenance and oil changes. The oil in the diaphragm pump should be changed every 3000 hours of use. The pump is also resistant to chemicals and corrosion. Therefore, it can be used in acidic and viscous products.
editor by CX2023-03-27
China Vickers Hydraulic Vane vacuum Vane Pump for Trator 3525vq vacuum pump adapter
Item Description
VQ Series vane pumps with large overall performance and large pressure which
created for constraction machinery specially for mobile machinery. Attributes:
one.Made by intra-vane framework, minimize the vane force to rotor, helps make secure performance
and lengthier existence in high speed and stress.
2.To undertake folating construction for aspect plate,will do a payment for conclude-encounter clearance by
computerized,makes substantial speed and higher force which can up to 21 MPa.
3.The plate is produced of twin-metal materials, improved the seizure resistance. Full displacement,
composite structure and high pricise spare components makes it possible for convenient servicing.
3525VQ Collection Hydraulics Vane Pump
Set up and Use:
one. In set up, the tolerance of concentricity amongst shaft of pump and motor must be much less than
.10mm(TIR) and the maximum permissible angle error is much less than .2 levels by using the
flexible coupling The pump shaft shall not bear the radial and axial load The carrier should be firm
with good rigidity and can completely take in vibrations.
2. Established the suction strain at pump inlet port : Advised inlet force is to 35Kpa.
three. Oil need to be stored clear, pipes and tanks should be extensively cleaned The cleanness degree of oil
must be inside of NSA12.
4. Nomal pump procedure(at rated conditions)is dependent on the use of SAE10W oil in the 38ºC to 82ºC
variety (or similar viscosities)
5. Verify the inlet, outlet and path of rotation ahead of commencing the pump. Switch the shaft of pump
evenly and nimbly by hand after repairing the pump. At the time of initial-starting up ,if the pump does not
right away primary , air need to be bled from the pump delivery line .
six. When very first place into use, the pump entire body and oil suction pipeline need to be stuffed with oil, and the
pump shall not be authorized to work without having oil.
seven. Do not start the pump when the outlet strain is reduce than the inlet force. This will result in work
noise and blade instability.
eight. Cold start situation:When functioning SAE10W oil in the 860 to forty cSt selection, the velocity and
strain ought to be minimal to 50% or much less of their respective rated values right up until the program has
warmed up. Extreme warning need to be employed when commencing units when fluid viscosity are better than
860 cSt, Care need to be exercised to warm up the whole technique, which includes remote cylinders and
motors.
nine. At large temperature, viscosities should not be considerably less than 13cSt, Temperatures should not exceed 99ºC
because the expectancy of cartridge kite and ela
stomers will lessen
Creation Overview
Packaging & Delivery
Plastic packing for every pump, Inner box for each and every pump, Outer box packing then set on the pallet
FAQ
one.Q: Is your organization a investing company or a company?
A: Our company is a buying and selling organization also a maker, we have our possess manufacturing facility for manufacturing.
2.Q:What about the top quality control and guarantee ?
A: “Quality first, Customers foremost”.Every piece of products is cheeked and tested strictly one by one before packing and shipping.
Our goods have 1 calendar year warranty, technological help is unlimited from us.
3.Q:Can you provide samples for checking and testing?
A:yes,we give cost-free samples for checking the create high quality and real functionality of our goods,the freight need to be coverd by buyer.
four.Q:How can I get to your organization?
A: Our organization address is No.888 Huaxu Road,Xihu (West Lake) Dis. district,ZheJiang ,China
It is about 30 minutes by automobile from ZheJiang Xihu (West Lake) Dis.ao airport or ZheJiang Xihu (West Lake) Dis.ao Railway station.
| Acting Form: | Single-Acting |
|---|---|
| Type: | Vane Pump |
| Displacement: | Other |
| Certification: | CE, ISO |
| Transport Package: | Carton+Wooden Case |
| Specification: | standard packing |
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| Samples: |
US$ 290/Piece
1 Piece(Min.Order) |
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| Customization: |
Available
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| Acting Form: | Single-Acting |
|---|---|
| Type: | Vane Pump |
| Displacement: | Other |
| Certification: | CE, ISO |
| Transport Package: | Carton+Wooden Case |
| Specification: | standard packing |
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| Samples: |
US$ 290/Piece
1 Piece(Min.Order) |
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| Customization: |
Available
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Types of vacuum pumps
A vacuum pump is a device that draws gas molecules from a sealed volume and maintains a partial vacuum. Its job is to create a vacuum in a volume, usually one of several. There are several types of vacuum pumps, such as root pumps, diaphragm pumps, rotary piston pumps, and self-priming centrifugal pumps.
The diaphragm pump is a dry positive displacement vacuum pump
Diaphragm pumps are a versatile type of vacuum pump. They can be installed in a variety of scenarios including container emptying, positive suction, and simultaneous fluid mixing. Their performance depends on the stiffness and durability of the diaphragm, which in turn depends on the material.
They have good performance when running in dry mode. Diaphragm pumps work very similarly to the human heart, which is why they are often used to create artificial hearts. In addition, the diaphragm pump is self-priming and has high efficiency. They are also capable of handling the most viscous liquids and are used in almost all industries.
However, this type of pump has several disadvantages. One of them is that they are difficult to restart after a power outage. Another disadvantage is that they can generate a lot of heat. Fortunately, this heat is carried away by airflow. However, this heat builds up in the multistage pump. If this happens, the diaphragm or motor may be damaged. Diaphragm pumps operating in two or more stages should be fitted with solenoid valves to maintain vacuum stability.
Diaphragm pumps are a good choice for drying processes where hygiene is important. These pumps have check valves and rubber or Teflon diaphragms. Diaphragm pumps are also ideal for high viscosity applications where shear sensitivity is important.
Roots pumps are dry method centrifugal pumps
Roots pumps use a vane rotor pump with two counter-rotating vanes that move in opposite directions to move the gas. They are often the first choice for high-throughput process applications. Depending on the size and number of blades, they can withstand up to 10 Torr.
Centrifugal pumps have several advantages, including the ability to handle corrosive fluids and high temperatures. However, when choosing a pump, it is essential to choose a reputable manufacturer. These companies will be able to advise you on the best pump design for your needs and provide excellent after-sales support. Roots pumps can be used in a wide range of industrial applications including chemical, food, and biotechnology.
The Roots pump is a dry centrifugal pump whose geometry enables it to achieve high compression ratios. The screw rotors are synchronized by a set of timing gears that allow gas to pass in both directions and create a compressed state in the chamber. The pre-compressed gas is discharged through a pressure connection and cooled with water. Some pumps are also able to accept additional cooling gas, but this should be done with caution.
The size of the impeller plays an important role in determining the pump head. The impeller diameter determines how high the pump can lift the liquid. Impeller speed also affects the head. Since the head is proportional to the specific gravity of the liquid, the available suction pressure will be proportional to the density of the liquid. The density of water is about 1.2 kg/m3, and the suction pressure of the centrifugal pump is not enough to lift the water.
The rotary vane pump is a self-priming centrifugal pump
A rotary vane pump is a centrifugal pump with a circular pump head and a cycloid cam that supports the rotor. The rotor is close to the cam wall, and two side plates seal the rotor. Vanes in vane pumps are installed in these cavities, and the rotor rotates at high speed, pushing fluid in and out of the pump. The pump offers several advantages, including a reversible design and the ability to handle a wide variety of clean fluids.
Agknx Pumps manufactures a wide range of vane pumps that combine high performance, low cost, and easy maintenance. These pumps handle medium to high viscosity liquids up to 500 degrees Fahrenheit and 200,000 SSU.
The suction side of the rotary vane pump has a discharge port, and the valve prevents the backflow of the discharge air. When the maximum pressure is reached, the outlet valve closes to prevent the backflow of exhaust gas. The mechanical separation step separates the oil from the gas in the pump circuit and returns the remaining oil particles to the sump. The float valve then reintroduces these oil particles into the oil circuit of the pump. The gas produced is almost oil-free and can be blown out of a pipe or hose.
Rotary vane pumps are self-priming positive displacement pumps commonly used in hydraulic, aeration, and vacuum systems. Unlike gear pumps, rotary vane pumps can maintain high-pressure levels while using relatively low suction pressures. The pump is also very effective when pumping viscous or high-viscosity liquids.
Rotary piston pumps are dry method positive displacement pumps
Rotary piston pumps are dry positive displacement pumps designed to deliver high-viscosity fluids. They are capable of pumping a variety of liquids and can run dry without damaging the liquid. Rotary piston pumps are available in a variety of designs. Some are single shafts, some are two shafts and four bearings.
Positive displacement pumps operate slower than centrifugal pumps. This feature makes the positive displacement pump more sensitive to wear. Piston and plunger reciprocating pumps are particularly prone to wear. For more demanding applications, progressive cavity, diaphragm or lobe pumps may be a better choice.
Positive displacement pumps are typically used to pump high-viscosity fluids. This is because the pump relies on a mechanical seal between the rotating elements and the pump casing. As a result, when fluids have low viscosity, their performance is limited. Additionally, low viscosity fluids can cause valve slippage.
These pumps have a piston/plunger arrangement using stainless steel rotors. Piston/piston pumps have two cavities on the suction side. The fluid then flows from one chamber to the other through a helical motion. This results in very low shear and pulsation rates. The pump is usually installed in a cylindrical housing.
Rotary vane pump corrosion resistance
Rotary vane vacuum pumps are designed for use in a variety of industries. They feature plasma-treated corrosion-resistant parts and anti-suck-back valves to help reduce the number of corrosive vapors entering the pump. These pumps are commonly used in freeze dryers, vacuum ovens, and degassing processes. The high flow rates they provide in their working vacuum allow them to speed up processes and reduce the time it takes to run them. Plus, they have energy-efficient motors and silent volume. <br/While rotary vane vacuum pumps are relatively corrosion resistant, they should not be used for aggressive chemicals. For these chemicals, the most suitable pump is the chemical mixing pump, which combines two types of pumps to improve corrosion resistance. If the application requires a more powerful pump, a progressive cavity pump (eg VACUU*PURE 10C) is suitable.
Oil seals used in rotary vane pumps are important to pump performance. The oil seal prevents corrosion of the aluminum parts of the rotary vane pump and prolongs the service life. Most rotary vane vacuum pumps have a standard set of components, although each component may have different oil seals.
Rotary vane vacuum pumps are the most common type of positive displacement pump. They provide quiet operation and long service life. They are also reliable and inexpensive and can be used in a variety of applications.
Roots pumps are primarily used as a vacuum booster
Root vacuum pumps are mainly used as vacuum boosters in industrial applications. They need a thorough understanding of operating principles and proper maintenance to function properly. This course is an introduction to Roots vacuum pumps, covering topics such as pump principles, multi-stage pumps, temperature effects, gas cooling, and maintenance.
Roots pumps have many advantages, including compact and quiet operation. They do not generate particles and have a long service life. They also don’t require oil and have a small footprint. However, Roots pumps have several disadvantages, including relatively high maintenance costs and low pumping speeds near atmospheric pressure.
Root vacuum pumps are often used with rotary vane vacuum pumps. They work on the same principle, the air enters a conveying unit formed by two rolling pistons in the housing. The piston heads are separated from each other, and the air passes through the unit without being reduced until it is discharged. When the air in the next unit reaches a higher absolute pressure, it is expelled from the last unit.
Roots pumps can be classified as sheathed or sealed. Roots pumps with sealed motors are suitable for pumping toxic gases. They have less clearance between the stator and motor rotor and have a sealed tank.
editor by czh 2023-01-07
China Kp1403A for Gear Pump Japanese Dump Vacuum Spare Oil Hydraulic Truck Auto External vacuum pump and compressor
Item Description
XIXIHU (WEST LAKE) DIS. CZPT Business & Trading CO., LTD.is situated in the new increasing port city in Chinese golden coastline,
one of the 16 most dynamic metropolitan areas of yangtze River Delta Economic Zone—-Xihu (West Lake) Dis. County,HangZhou Town,ZHangZhoug Province.
FENGHU is a organization specializing in the generation of hydraulic hoist, gear pump and hydro-cylinder.It’s hydraulic hoist and gear pump of KP series are offered nicely in much more than a dozen nations and locations in Malaysia,Thailand, Indonesia and the Middle East.And we have a effective crew in the unbiased analysis,improvement and creation of the lifting body and equipment pump. We uphold the concept of “eeping for excellent credit history,executing for technological innovation,looking for for exceptional top quality and fovusing on customers’demand” as our basic principle.On the foundation of customers’Views,we insist on high quality-improvement and high-priority-product advancement,relying on the technologies innovatuon. Beyond the voice of consumer,FENGHU perseveres in delivering the highest-top quality item adn the ideal sevice.
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US $98 / Piece | |
20 Pieces (Min. Order) |
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| Warranty: | 6 Month |
|---|---|
| Mesh Form: | External Engaged |
| Tooth Flank: | Straight Tooth |
| Tooth Curve: | Cycloid |
| Power: | Hydraulic |
| Type: | Normal Line Gear Pump |
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| Customization: |
Available
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|
US $98 / Piece | |
20 Pieces (Min. Order) |
###
| Warranty: | 6 Month |
|---|---|
| Mesh Form: | External Engaged |
| Tooth Flank: | Straight Tooth |
| Tooth Curve: | Cycloid |
| Power: | Hydraulic |
| Type: | Normal Line Gear Pump |
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| Customization: |
Available
|
|---|
How to install a vacuum pump
A vacuum pump creates a relative vacuum within a sealed volume by drawing gas molecules from the sealed volume. Vacuum pumps can be used in a variety of industrial applications. They also offer various lubrication options. If you are considering purchasing, please understand its functions and features before purchasing.
How it works
The working principle of a vacuum pump is called gas transfer. The principle can be further divided into two basic categories: positive displacement and momentum transfer. At high pressure and moderate vacuum, gas molecules collide and move and create a viscous flow. At higher vacuum levels, gas molecules separate to create molecular or transitional flows.
Another principle of vacuum pumps is fluid-tightness. There are two main types of seals: rotary seals and screw seals. Rotary seals prevent liquid leakage, while screw seals only allow liquids to flow out at higher pressures. Some pumps may not use the third seal.
The flow rate of the vacuum pump determines the machine’s ability to pump a certain amount of material. A higher pumping speed will shorten the drain time. Therefore, the mass flow of the vacuum pump must be carefully considered. The speed and type of vacuum must also be considered.
The working principle of a vacuum pump is to push gas molecules from a high-pressure state to a low-pressure state. This creates a partial vacuum. There are many different types of vacuum pumps, each with different functions. Some are mechanical, some are chemical. In either case, their function is the same: to create a partial or complete vacuum. Vacuum pumps use a variety of technologies and are sized according to the application. Proper sizing is critical for optimum efficiency.
Gas transfer pumps use the same principles as vacuum pumps but use different technology. One of the earliest examples is the Archimedes spiral. Its structure consists of a single screw inside a hollow cylinder. More modern designs use double or triple screws. The rotation of the screw causes gas molecules to be trapped in the cavity between the screw and the housing. The fluid is then discharged at slightly above atmospheric pressure. This difference is called the compression ratio.
Another type of vacuum pump is a diffusion pump. Its main use is industrial vacuum processing. It is used in applications such as mass spectrometry, nanotechnology and analytical instrumentation. These pumps are generally inexpensive to purchase and operate.
Apply
Vacuum pumps are essential for many scientific and industrial processes. They are used in the production of vacuum tubes, CRTs, lamps and semiconductor processing. They can also be used to support mechanical equipment. For example, they can be mounted on the engine of a motor vehicle. Likewise, they can be used to power hydraulic components of aircraft. Among other uses, the vacuum pump helps calibrate the gyroscope.
Vacuum pumps are widely used in the pharmaceutical industry and are one of the largest users of this technology. They help deal with hazardous materials and eliminate waste quickly. They are also used in power jets, dump fuel tanks and rear doors, among others. However, they are sensitive to contamination and should only be used in environments where leaks can be prevented. Therefore, choosing the right fluid for the application is very important.
The most popular type of vacuum pump is the rotary vane pump. These pumps are known for their high pumping speed and low pressure. Their efficient pumping capacity allows them to reach pressures below 10-6 bar. Additionally, they are usually oil-sealed and have excellent vacuuming capabilities.
Vacuum pumps are often used to remove air from closed systems. They create a vacuum by reducing the density of the air in the compressed space. This is done by using the mechanical force energy generated by the rotating shaft. When the pump is under pressure, it converts this energy into pneumatic power. When the pressure is different, the energy produced depends on the volume of the gas and the pressure difference between the inner and outer atmospheres.
Vacuum pumps are also used in the manufacture of solar cells. They are used in the manufacture of solar cells, including ingot casting processes as well as cell and module processes. The design of the vacuum system plays an important role in reducing the cost of the process, thus making it profitable. Due to their low maintenance costs, they are an invaluable tool for making solar cells.
Vacuum pumps are widely used in many applications. In addition to industrial and research uses, they are also used in water remediation.
Oil Lubrication Option
Vacuum pumps are available in a variety of oil lubrication options. Choosing the right lubricant can help protect your vacuum pump and maximize its performance. Different base oils may contain different additives, such as antioxidants, and some contain additional additives for specific purposes. You should choose an oil with the right concentration of these additives for optimal lubrication of your vacuum pump.
Vacuum pumps are usually lubricated with paraffinic mineral oil. However, this type of lubricant evaporates as the temperature increases. To minimize evaporative losses, choose a lubricant with low vapor pressure. Also, you should choose lubricants that are resistant to extreme temperatures. Extreme temperatures can put extra stress on the oil and can even significantly shorten the life of the oil.
In terms of viscosity, synthetic oils are the best choice for vacuum pumps. These types of oils are designed to resist gas dissolution and are more resistant to corrosion. Therefore, synthetic oils are ideal for handling aggressive substances. Whether or not your pump needs lubrication, choosing a quality product is important.
The vacuum pump oil should be changed periodically according to the manufacturer’s recommendations. If you use a filter, you should also change the oil as soon as the filter reaches the end of its life. Unplanned oil changes will eventually cause the vacuum pump to not reach its maximum vacuum capacity.
You can buy vacuum pump oil from vacuum pump manufacturers or other suppliers. These options are available in a variety of sizes, and labels can be customized. The oil should be designed for the pump. However, you should check the manufacturer’s recommendations to avoid buying the wrong type.
If you choose to use a synthetic oil, it is important to use a good quality oil. It helps the pump work more efficiently and prolong its life.
Install
After choosing a suitable location, the next step is to install the pump. First, place the pump on a flat surface. Then, screw the pump onto the motor body above the check valve. Make sure the accessories are wrapped with sealing tape and secured with screws. The direction of gas inflow and outflow is indicated by arrows on the pump. The direction of rotation around the pump is also shown.
During commissioning, check the operation of each part of the pump. If the pump is equipped with a pipe connection, the pipe should be the same size and shape as the pump flange. Also, make sure that the piping does not cause any pressure drop. In addition, the first three weeks of operation require the installation of protective nets at the suction ports.
When selecting a pump, consider the back pressure of the system. Too much back pressure will affect the capacity of the vacuum pump. Also, check the temperature of the seal. If the temperature is too high, the seal may be damaged. It could also be due to a partially closed valve in the recirculation line or a clogged filter. Circulation pumps and heat exchangers should also be checked for fouling.
The vacuum pump is usually installed in the chassis area of the car. They can be mounted next to the engine or on a lower support frame. They are usually fastened to the bracket using suitable shock absorbers and isolating elements. However, before installing the vacuum pump, be sure to check the vacuum pump’s wiring harness before connecting it to the vehicle.
In many experimental setups, a vacuum pump is essential. However, improperly installed vacuum pumps can expose users to harmful vapors and chemicals. Appropriate plugs and belt guards should be installed to prevent any accidental chemical exposure. It is also important to install a fume hood for the pump.
In most cases, vacuum pumps come with installation manuals and instructions. Some manufacturers even offer start-up assistance if needed.
editor by czh 2022-12-14