Product Description
oilless oil free piston rocking vacuum pump for photograph plate making machines
Advantages:
Oil-less piston Vacuum Pumps / Air Compressors
PRANSCH oil-less rocking piston pump and air compressor combines the best characteristics of traditional piston pumps(air compressor) and diaphragm pumps into small units with excellent features.
- Light weight and very portable
- Durable and near ZERO maintenance
- Thermal protection (130 deg C)
- Power cord with plug, 1m length
- Shock mount
- Silencer – muffler
- Stainless steel vacuum and pressure gauge, both with oil damping
- Two stainless steel needle valves each with lock nut.
- All nickel plated fittings
- Power supply 230V, 50/60 Hz
This series is ideal for use in applications where oil-mist is undesirable. For examples, pressure/vacuum filtration, air sampling, water aeration, flame photometer, etc.
Specification:
| Model | Frequency | Flow | Pressure | Power | Speed | Current | Voltage | Heat | Sound | Weight | Hole | Installation Dimensions |
| Hz | L/min | Kpa | Kw | Min-1 | A | V | 0 C | db(A) | Kg | MM | MM | |
| PM200V | 50 | 33 | -84 | 0.10 | 1380 | 0.45 | 210/235 | 5-40 | 48 | 1.8 | 5 | L100xW74 |
| 60 | 50 | -84 | 0.12 | 1450 | 0.90 | 110/125 | 5-40 | 48 | 1.8 | 5 | ||
| PM300V | 50 | 66 | -86 | 0.12 | 1380 | 0.56 | 210/235 | 5-40 | 50 | 3.2 | 6 | L118xW70 |
| 60 | 75 | -86 | 0.14 | 1450 | 1.13 | 110/125 | 5-40 | 50 | 3.2 | 6 | ||
| PM400V | 50 | 80 | -92 | 0.32 | 1380 | 0.95 | 210/235 | 5-40 | 56 | 6.0 | 6 | L153xW95 |
| 60 | 92 | -92 | 0.36 | 1450 | 1.91 | 110/125 | 5-40 | 56 | 6.0 | 6 | ||
| PM550V | 50 | 100 | -92 | 0.32 | 1380 | 1.50 | 210/235 | 5-40 | 56 | 6.0 | 6 | L148xW83 |
| 60 | 110 | -92 | 0.36 | 1450 | 3.10 | 110/125 | 5-40 | 56 | 6.0 | 6 | ||
| PM1400V | 50 | 166 | -92 | 0.45 | 1380 | 1.90 | 210/235 | 5-40 | 58 | 8.5 | 6 | L203xW86 |
| 60 | 183 | -92 | 0.52 | 1450 | 4.10 | 110/125 | 5-40 | 58 | 8.5 | 6 | ||
| PM2000V | 50 | 216 | -92 | 0.55 | 1380 | 2.50 | 210/235 | 5-40 | 60 | 9.0 | 6 | L203xW86 |
| 60 | 250 | -92 | 0.63 | 1450 | 5.20 | 110/125 | 5-40 | 60 | 9.0 | 6 | ||
| HP2400V | 50 | 225 | -94 | 0.90 | 1380 | 3.30 | 210/235 | 5-40 | 75 | 17.0 | 7 | L246xW127 |
| 60 | 258 | -94 | 1.10 | 1450 | 6.90 | 110/125 | 5-40 | 75 | 17.0 | 7 | ||
| PM3000V | 50 | 230 | -94 | 1.10 | 1380 | 4.20 | 210/235 | 5-40 | 76 | 17.5 | 7 | L246xW127 |
| 60 | 266 | -94 | 1.30 | 1450 | 8.50 | 110/125 | 5-40 | 76 | 17.5 | 7 |
Why use a Rocking Piston Product?
Variety
Pransch oilless Rocking Piston air compressors and vacuum pumps, available in single, twin, miniature, and tankmounted
styles, are the perfect choice for hundreds of applications. Choose from dual frequency, shaded pole,
and permanent split capacitor (psc) electric motors with AC multi-voltage motors to match North American,
European, and CZPT power supplies. A complete line of recommended accessories as well as 6, 12, and
24 volt DC models in brush and brushless types are also available.
Performance
The rocking piston combines the best characteristics of piston and diaphragm air compressors into a small unit
with exceptional performance. Air flow capabilities from 3.4 LPM to 5.5 CFM (9.35 m3/h), pressure to 175 psi
(12.0 bar) and vacuum capabilities up to 29 inHg (31 mbar). Horsepowers range from 1/20 to 1/2 HP
(0.04 to 0.37 kW).
Reliable
These pumps are made to stand up through years of use. The piston rod and bearing assembly are bonded
together, not clamped; they will not slip, loosen, or misalign to cause trouble.
Clean Air
Because CZPT pumps are oil-free, they are ideal for use in applications in laboratories, hospitals, and the
food industry where oil mist contamination is undesirable.
Application:
- Transportation application include:Auto detailing Equipment,Braking Systems,Suspension Systems,Tire Inflators
- Food and Beverage application include:beverage dispensing,coffee and Espresso equipment,Food processing and packaging,Nitrogen Generation
- Medical and laboratory application include:Body fluid Analysis equipment,Dental compressors and hand tools,dental vacuum ovens,Dermatology equipment,eye surgery equipment,lab automation,Liposuction equipment,Medical aspiration,Nitrogen Generation,Oxygen concentrators,Vacuum Centrifuge,vacuum filtering,ventilators
- General industrial application include:Cable pressurization,core drilling
- Environmental application include:Dry sprinkler systems,Pond Aeration,Refrigerant Reclamation,Water Purification Systems
- Printing and packaging application include:vacuum frames
- material Handling application include:vacuum mixing
What is Rocking piston type dry vacuum pumps?
Rocking Piston type dry vacuum pump is a mechanical vacuum pump that transfers gas by the reciprocating motion of a piston interlocking with an eccentric rotating shaft.
Features of Rocking piston type dry vacuum pumps
Since this is an oil-less pump, backflow of air through the sliding part between the cylinder and piston ring is unavoidable. Because of its simple structure, this pump has low ultimate pressure. However, it can obtain stable pressure in a low vacuum region.
Some models can also be used as a pressurizing source for compressors. The pump is widely used in printed board mounting equipment, vacuum packaging machines, material adsorption transfer equipment, labeling machines, printing ink degassing machines, printing machines, photograph plate making machines, screen printing machines, degassing machines, burying machines, baking furnaces, suction machines, automobile exhaust gas analyzers, refrigerant recovery device, plasma cutting equipment.
Strength: The pump has a simple structure and is easy to maintain.
Weakness: The pump can not obtain a high vacuum.
Applications
Some models can also be used as a pressurizing source for compressors. The pump is widely used in printed board mounting equipment, vacuum packaging machines, material adsorption transfer equipment, labeling machines, printing ink degassing machines, printing machines, photograph plate making machines, screen printing machines, degassing machines, burying machines, baking furnaces, suction machines, automobile exhaust gas analyzers, refrigerant recovery device, plasma cutting equipment.
Mechanism of Rocking piston type dry vacuum pumps
When the eccentric cam directly connected to the motor rotates, the piston moves up and down in the cylinder while swinging. The space inside the cylinder changes due to the vertical movement of the piston, and the gas is transported by repeating intake, compression and exhaust.
| Oil or Not: | Oil Free |
|---|---|
| Structure: | Reciprocating Vacuum Pump |
| Exhauster Method: | Positive Displacement Pump |
| Vacuum Degree: | High Vacuum |
| Work Function: | Mainsuction Pump |
| Working Conditions: | Dry |
| Customization: |
Available
|
|
|---|
What Are the Key Components of a Piston Vacuum Pump?
A piston vacuum pump consists of several key components that work together to create a vacuum. Here’s a detailed explanation of these components:
1. Cylinder:
– The cylinder is a cylindrical chamber where the piston moves back and forth.
– It provides the housing for the piston and plays a crucial role in creating the vacuum by changing the volume of the chamber.
2. Piston:
– The piston is a movable component that fits inside the cylinder.
– It creates a seal between the piston and cylinder walls, allowing the pump to create a pressure differential and generate a vacuum.
– The piston is typically driven by a motor or an external power source.
3. Intake Valve:
– The intake valve allows gas or air to enter the cylinder during the suction stroke.
– It opens when the piston moves downward, creating a vacuum and drawing gas into the cylinder from the system being evacuated.
4. Exhaust Valve:
– The exhaust valve allows the expelled gas to exit the cylinder during the compression stroke.
– It opens when the piston moves upward, allowing the compressed gas to be expelled from the cylinder.
5. Lubrication System:
– Piston vacuum pumps often incorporate a lubrication system to ensure smooth operation and maintain an airtight seal between the piston and cylinder walls.
– Lubricating oil is introduced into the cylinder to provide lubrication and help maintain the seal.
– The lubrication system also helps to cool the pump by dissipating heat generated during operation.
6. Cooling System:
– Some piston vacuum pumps may include a cooling system to prevent overheating.
– This can involve the circulation of a cooling fluid or the use of cooling fins to dissipate heat generated during operation.
7. Pressure Gauges and Controls:
– Pressure gauges are often installed to monitor the vacuum level or pressure within the system.
– Control mechanisms, such as switches or valves, may be present to regulate the operation of the pump or maintain the desired vacuum level.
8. Motor or Power Source:
– The piston in a piston vacuum pump is typically driven by a motor or an external power source.
– The motor provides the necessary mechanical energy to move the piston back and forth, creating the suction and compression strokes.
9. Frame or Housing:
– The components of the piston vacuum pump are housed within a frame or housing that provides structural support and protection.
– The frame or housing also helps to reduce noise and vibration during operation.
In summary, the key components of a piston vacuum pump include the cylinder, piston, intake valve, exhaust valve, lubrication system, cooling system, pressure gauges and controls, motor or power source, and the frame or housing. These components work together to create a vacuum by reciprocating the piston within the cylinder, allowing gas to be drawn in and expelled, while maintaining an airtight seal. The lubrication and cooling systems, as well as pressure gauges and controls, ensure smooth and efficient operation of the pump.
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.
Can Piston Vacuum Pumps Handle Corrosive Gases or Vapors?
Piston vacuum pumps are generally not suitable for handling corrosive gases or vapors. Here’s a detailed explanation:
1. Construction Materials:
– Piston vacuum pumps are typically constructed with materials such as cast iron, aluminum, stainless steel, and various elastomers.
– While these materials offer good resistance to normal operating conditions, they may not be compatible with corrosive substances.
– Corrosive gases or vapors can attack and degrade the pump’s internal components, leading to reduced performance, increased wear, and potential failure.
2. Sealing and Contamination:
– Piston vacuum pumps rely on tight seals and clearances to maintain the vacuum and prevent leakage.
– Corrosive gases or vapors can degrade the seals and compromise their effectiveness.
– This can result in increased leakage, reduced pumping efficiency, and potential contamination of the pump and the surrounding environment.
3. Maintenance and Service:
– Handling corrosive gases or vapors requires specialized knowledge, materials, and maintenance procedures.
– The pump may need additional protective measures, such as corrosion-resistant coatings or specialized seal materials, to withstand the corrosive environment.
– Regular inspection, cleaning, and replacement of components may also be necessary to maintain the pump’s performance and prevent damage.
4. Alternative Pump Options:
– If corrosive gases or vapors are involved in the application, it is advisable to consider alternative pump technologies that are specifically designed to handle such substances.
– For corrosive gases, chemical-resistant pumps like diaphragm pumps, peristaltic pumps, or dry screw pumps may be more suitable.
– These pumps are constructed with materials that offer superior resistance to corrosion and can handle a wide range of corrosive substances.
– It is essential to consult the pump manufacturer or a vacuum system specialist to select the appropriate pump for handling corrosive gases or vapors.
In summary, piston vacuum pumps are generally not recommended for handling corrosive gases or vapors due to their construction materials, sealing limitations, and the potential for damage and contamination. It is crucial to choose a pump specifically designed to handle corrosive substances or consider alternative pump technologies that can provide the required chemical resistance and performance.
editor by CX 2023-11-03