China manufacturer HP Series Industrial Dry Piston Electric Oil Free Vacuum Pump wholesaler

Product Description

Product Description

Piston Oil Free Air Compressor Vacuum pump

OverviewSuoto piston vacuum pump is compact, light and attractive in design. It uses the big starting torque and is specially designed for low temperature environment. It is guaranteed start normally in winter’s low temperature. It is applicable to vacuum packaging, vacuum freezing, automobile reparation, gas analysis, medicine mechanism, printing mechanism and other vacuum evacuations.
This kind of pump is widely used in food packaging, scientific research, medical treatment, electronics, chemicals, medicine and laboratory of universities and colleges.

 

Technical Specifications

Model

HP-295

Voltage

220V/50HZ; 110V/60HZ

Free air displacement

60L/min

Ultimate Vacuum

700mmHg

Power

325w

Dimension

250x110x180mm

Using the environment

5-40ºC

Voltage resistance strength

1600V/50HZ 1min No breakdown

N.W.

6.5KG

Detailed Photos

Packaging & Shipping

 

Packing Details  : One pump in One plywood case
Delivery Details : 30 days after order confirmation

Standard package without original wood, no fumigation needed.

 

Company Profile

ZheZheJiang oto Pump Industrial Co., Ltd. is a professional pump manufacturer integrating R&D, manufacturing, sales and service as a whole, which has been certified by ISO9001 international quality management system. 

Located in Xihu (West Lake) Dis.a Industrial Park, ZheJiang , CZPT Pump Industrial possesses 2 manufacturing bases in ZheJiang and ZHangZhoug. Since our inception, CZPT Pump Industrial has been committed to the innovation and development of various pumps. Our leading products include self-priming trash pump, centrifugal pump, submersible pump, diaphragm pump, vacuum pump, diesel pump, fire pump, etc.

 

 

FAQ

Q: Can I chat with you online? What is your company official website?
 

Q: What type of company CZPT is? 
A: CZPT is a manufacture and trading company, has factories in ZheJiang and ZHangZhoug, with export and import license.

Q: What kinds of pumps do you supply?
A: Our products including self-priming trash pump, centrifugal pump, diaphragm pump, submersible pump, chemical pump, oil pump, diesel pump, fire fighting pump, etc.

Q: What is your payment terms?
A: Alibaba Trade Assurance, Western Union, Paypal, T/T, L/C, etc.

Q: Can you provide OEM, ODM service?
A: Yes. We have factories in ZheJiang and ZHangZhoug, we can make products according to your requirements.

Q: Why should we buy from you?
A: We are committed to provide best quality products at minimum delivery time and competitive price. We believe this is what customer wants. We are satified until customers are.

Q: What is your warranty period?
A: We provide 1 year of unconditional warranty on our products for the manufacturing defects.

Q: What about delivery time?
A: Normally our production time is within 2 weeks. Please confirm before order.

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After-sales Service: 1 Year
Warranty: 1 Year
Acting Form: Single-Acting
Type: Centrifugal Pump
Displacement: Variable Pump
Performance: No Leak
Samples:
US$ 80/Piece
1 Piece(Min.Order)

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Customization:
Available

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piston vacuum pump

How Does a Piston Vacuum Pump Work?

A piston vacuum pump, also known as a reciprocating vacuum pump, operates using a piston mechanism to create a vacuum. Here’s a detailed explanation of its working principle:

1. Piston and Cylinder Assembly:

– A piston vacuum pump consists of a piston and cylinder assembly.

– The piston is a movable component that fits inside the cylinder and creates a seal between the piston and cylinder walls.

2. Intake and Exhaust Valves:

– The cylinder has two valves: an intake valve and an exhaust valve.

– The intake valve allows gas or air to enter the cylinder during the suction stroke, while the exhaust valve allows the expelled gas to exit during the compression stroke.

3. Suction Stroke:

– During the suction stroke, the piston moves downward, creating a vacuum within the cylinder.

– As the piston moves down, the intake valve opens, allowing gas or air from the system being evacuated to enter the cylinder.

– The volume within the cylinder increases, causing a decrease in pressure and the creation of a partial vacuum.

4. Compression Stroke:

– After the suction stroke, the piston moves upward during the compression stroke.

– As the piston moves up, the intake valve closes, preventing backflow of gas into the evacuated system.

– Simultaneously, the exhaust valve opens, allowing the gas trapped in the cylinder to be expelled.

– The upward movement of the piston reduces the volume within the cylinder, compressing the gas and increasing its pressure.

5. Expulsion of Gas:

– Once the compression stroke is complete, the gas is expelled through the exhaust valve.

– The exhaust valve then closes, ready for the next suction stroke.

– This process of alternating suction and compression strokes continues, gradually reducing the pressure within the evacuated system.

6. Lubrication:

– Piston vacuum pumps require lubrication for smooth operation and to maintain the airtight seal between the piston and cylinder walls.

– Lubricating oil is often introduced into the cylinder to provide lubrication and help maintain the seal.

– The oil also helps to cool the pump by dissipating heat generated during operation.

7. Applications:

– Piston vacuum pumps are commonly used in applications where high vacuum levels and low flow rates are required.

– They are suitable for processes such as laboratory work, vacuum drying, vacuum filtration, and other applications that require moderate vacuum levels.

In summary, a piston vacuum pump operates by creating a vacuum through the reciprocating motion of a piston within a cylinder. The suction stroke creates a vacuum by lowering the pressure within the cylinder, while the compression stroke expels the gas and increases its pressure. This cyclic process continues, gradually reducing the pressure within the system being evacuated. Piston vacuum pumps are commonly used in various applications that require moderate vacuum levels and low flow rates.

piston vacuum pump

What Are the Safety Precautions for Operating Piston Vacuum Pumps?

Operating piston vacuum pumps requires adherence to safety precautions to ensure the well-being of personnel and the proper functioning of the equipment. Here’s a detailed explanation of the safety precautions for operating piston vacuum pumps:

– Familiarize Yourself with the User Manual: Before operating a piston vacuum pump, thoroughly read and understand the user manual provided by the manufacturer. The manual contains important safety guidelines specific to the pump model.

– Personal Protective Equipment (PPE): Always wear appropriate personal protective equipment, such as safety goggles, gloves, and hearing protection, when operating the pump. This helps protect against potential hazards, including chemical exposure, flying debris, and noise.

– Ventilation: Ensure that the area where the pump is operated has adequate ventilation. Proper ventilation helps prevent the accumulation of fumes, vapors, or hazardous gases that may be generated during the pumping process.

– Electrical Safety: Follow electrical safety precautions, including proper grounding and connection of the pump to a suitable power source. Inspect power cords and plugs for any damage before use, and avoid using the pump in wet or damp environments.

– Pressure and Vacuum Limits: Operate the pump within its specified pressure and vacuum limits. Exceeding these limits can lead to equipment failure, compromising safety and performance.

– Overpressure Protection: Ensure the pump has appropriate overpressure protection mechanisms, such as relief valves or pressure sensors, to prevent excessive pressure buildup. Regularly inspect and maintain these safety devices to ensure their proper functioning.

– Cooling and Temperature: Pay attention to the cooling requirements of the pump. Adequate cooling is necessary to prevent overheating and potential damage to the pump. Avoid blocking or obstructing cooling vents or fins. Monitor the pump’s temperature during operation and follow any temperature-related guidelines provided by the manufacturer.

– Maintenance and Inspection: Regularly inspect and maintain the pump according to the manufacturer’s recommendations. This includes cleaning, lubricating, and replacing parts as necessary. Perform maintenance tasks only when the pump is turned off and disconnected from the power source.

– Emergency Stop: Familiarize yourself with the location and operation of the emergency stop button or switch on the pump. In case of any emergency or abnormal situation, immediately activate the emergency stop to shut down the pump safely.

– Training and Competence: Ensure that operators are adequately trained and competent to operate the piston vacuum pump. Proper training helps minimize the risks associated with incorrect operation or handling of the equipment.

– Hazardous Materials: If the pump is used with hazardous materials, follow appropriate safety protocols for handling, containment, and disposal. Be aware of the potential risks associated with the materials being pumped and take necessary precautions to mitigate those risks.

– Warning Signs and Labels: Pay attention to warning signs, labels, and markings on the pump, including safety instructions, hazard warnings, and operating instructions. Follow these instructions carefully to ensure safe operation.

– Emergency Procedures: Establish and communicate clear emergency procedures in case of accidents, spills, or other hazardous situations. Ensure that operators are aware of these procedures and know how to respond appropriately.

– Regular Risk Assessment: Conduct regular risk assessments of the pump operation to identify potential hazards and implement appropriate safety measures. Periodically review and update safety protocols based on the results of these assessments.

– Emergency Response Resources: Keep appropriate emergency response resources readily available, such as fire extinguishers, spill kits, and emergency eyewash stations, in case of accidents or spills.

In summary, operating piston vacuum pumps safely requires following several key safety precautions, including familiarizing yourself with the user manual, using appropriate personal protective equipment, ensuring proper ventilation, adhering to electrical safety guidelines, operating within pressure and vacuum limits, maintaining cooling requirements, performing regular maintenance and inspections, being aware of emergency stop procedures, providing adequate training and competence, handling hazardous materials safely, paying attention to warning signs and labels, establishing emergency procedures, conducting risk assessments, and keeping emergency response resources available.

piston vacuum pump

What Are the Differences Between Single-Stage and Two-Stage Piston Vacuum Pumps?

Single-stage and two-stage piston vacuum pumps are two common types of pumps used for creating a vacuum. Here’s a detailed explanation of their differences:

1. Number of Stages:

– The primary difference between single-stage and two-stage piston vacuum pumps lies in the number of stages or steps involved in the compression process.

– A single-stage pump has a single piston that compresses the gas in one stroke.

– In contrast, a two-stage pump consists of two pistons arranged in series, allowing the gas to be compressed in two stages.

2. Compression Ratio:

– Single-Stage: In a single-stage piston vacuum pump, the compression ratio is limited to the single stroke of the piston. This means that the pump can achieve a compression ratio of approximately 10:1.

– Two-Stage: In a two-stage piston vacuum pump, the compression ratio is significantly higher. The first stage compresses the gas, and then it passes through an intermediate chamber before entering the second stage for further compression. This allows for a higher compression ratio, typically around 100:1.

3. Vacuum Level:

– Single-Stage: Single-stage piston vacuum pumps are generally suitable for applications that require moderate vacuum levels.

– They can achieve vacuum levels up to approximately 10-3 Torr (millitorr) or in the low micron range (10-6 Torr).

– Two-Stage: Two-stage piston vacuum pumps are capable of reaching deeper vacuum levels compared to single-stage pumps.

– They can achieve vacuum levels in the high vacuum range, typically down to 10-6 Torr or even lower, making them suitable for applications that require a more extensive vacuum.

4. Pumping Speed:

– Single-Stage: Single-stage pumps generally have a higher pumping speed or evacuation rate compared to two-stage pumps.

– This means that single-stage pumps can evacuate a larger volume of gas per unit of time, making them suitable for applications that require faster evacuation.

– Two-Stage: Two-stage pumps have a lower pumping speed compared to single-stage pumps.

– While they may have a slower evacuation rate, they compensate for it by achieving deeper vacuum levels.

5. Applications:

– Single-Stage: Single-stage piston vacuum pumps are commonly used in applications that require moderate vacuum levels and higher pumping speeds.

– They are suitable for laboratory use, vacuum packaging, HVAC systems, and various industrial processes.

– Two-Stage: Two-stage piston vacuum pumps are well-suited for applications that require deeper vacuum levels.

– They are commonly used in scientific research, semiconductor manufacturing, analytical instruments, and other processes that demand high vacuum conditions.

6. Size and Complexity:

– Single-Stage: Single-stage pumps are generally more compact and simpler in design compared to two-stage pumps.

– They have fewer components, making them easier to install, operate, and maintain.

– Two-Stage: Two-stage pumps are relatively larger and more complex in design due to the additional components required for the two-stage compression process.

– They may require more maintenance and expertise for operation and servicing.

In summary, the main differences between single-stage and two-stage piston vacuum pumps lie in the number of stages, compression ratio, achievable vacuum levels, pumping speed, applications, and size/complexity. Selecting the appropriate pump depends on the desired vacuum level, pumping speed requirements, and specific application needs.

China manufacturer HP Series Industrial Dry Piston Electric Oil Free Vacuum Pump   wholesaler China manufacturer HP Series Industrial Dry Piston Electric Oil Free Vacuum Pump   wholesaler
editor by CX 2024-03-27