China wholesaler Surgical Extraction for Dentistry and Hospitals Oil Free Piston Vacuum Pump vacuum pump

Product Description

Quiet Water Purification Printing Packaging Material Handling Mixing Frames free Mini Air Oil Less oilless Piston Vacuum Pump

Oil-less 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.

  1. Light weight and very portable
  2. Durable and near ZERO maintenance
  3. Thermal protection (130 deg C)
  4. Power cord with plug, 1m length
  5. Shock mount
  6. Silencer – muffler
  7. Stainless steel vacuum and pressure gauge, both with oil damping
  8. Two stainless steel needle valves each with lock nut.
  9. All nickel plated fittings
  10. 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. vacuum packing machines; surgical extraction for dentistry and hospitals; mixing and dosage of resin for dentistry; silk screen printing machines; automatic feeder machines for book-binding; wood presses; drilling machines for use in the construction industry.


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
PM550H 50 83 -98 0.32 1380 1.50  210/235 5-40 56 6.0  6 L148xW83
60 91 -98 0.35 1450 3.20  110/125 5-40 56 6.0  6
PM1400H 50 141 -98 0.45 1380 1.70  210/235 5-40 58 8.5  6 L203xW86
60 166 -98 0.50  1450 3.50  110/125 5-40 58 8.5  6
PM2000H 50 183 -98 0.55  1380 1.70  210/235 5-40 60 9.0  6 L203xW86
60 216 -98 0.60  1450 2.50  110/125 5-40 60 9.0  6
HP2400H 50 200 -98 0.90  1380 3.30  210/235 5-40 75 17.0  7 L246xW127
60 233 -98 1.10  1450 6.40  110/125 5-40 75 17.0  7
PM3000H 50 216 -98 1.10  1380 4.20  210/235 5-40 76 17.5  7 L246xW127
60 250 -98 1.50  1450 5.00  110/125 5-40 76 17.5  7

Why use a Rocking Piston Product?
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.

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).

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.


  1. Transportation application include:Auto detailing Equipment,Braking Systems,Suspension Systems,Tire Inflators
  2. Food and Beverage application include:beverage dispensing,coffee and Espresso equipment,Food processing and packaging,Nitrogen Generation
  3. 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
  4. General industrial application include:Cable pressurization,core drilling
  5. Environmental application include:Dry sprinkler systems,Pond Aeration,Refrigerant Reclamation,Water Purification Systems
  6. Printing and packaging application include:vacuum frames
  7. material Handling application include:vacuum mixing


/* 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

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


piston vacuum pump

What Are the Typical Applications of Piston Vacuum Pumps?

Piston vacuum pumps find applications in various industries and processes. Here’s a detailed explanation of the typical applications of piston vacuum pumps:

1. Laboratories and Research Facilities:

– Piston vacuum pumps are commonly used in laboratories and research facilities for a wide range of applications.

– They are utilized in vacuum ovens, freeze dryers, vacuum filtration systems, and other equipment requiring controlled evacuation.

2. Pharmaceuticals and Biotechnology:

– In the pharmaceutical and biotechnology industries, piston vacuum pumps are employed for processes such as solvent evaporation, distillation, and filtration.

– They are used in drug manufacturing, vaccine production, and research involving biochemistry and molecular biology.

3. Food Processing and Packaging:

– Piston vacuum pumps play a vital role in the food processing and packaging industry.

– They are used in vacuum packaging machines to remove air from packaging containers, extending the shelf life of food products.

4. HVAC and Refrigeration Systems:

– Piston vacuum pumps are utilized in HVAC (Heating, Ventilation, and Air Conditioning) systems and refrigeration systems.

– They help evacuate air and moisture from the systems to achieve the desired pressure and prevent contamination.

5. Manufacturing and Industrial Processes:

– Piston vacuum pumps are employed in various manufacturing and industrial processes.

– They are used for degassing, vacuum impregnation, vacuum drying, and other applications that require controlled evacuation.

6. Automotive Industry:

– In the automotive industry, piston vacuum pumps are often used in brake booster systems.

– They create a vacuum to assist in brake actuation, providing the necessary power for braking.

7. Electronics and Semiconductor Manufacturing:

– Piston vacuum pumps are utilized in electronics and semiconductor manufacturing processes.

– They help create a controlled environment with low-pressure conditions during the production of microchips, integrated circuits, and other electronic components.

8. Environmental Monitoring and Analysis:

– Piston vacuum pumps are utilized in environmental monitoring and analysis equipment.

– They are used in air sampling devices, gas analyzers, and other instruments that require precise vacuum control.

9. Scientific Research and Vacuum Systems:

– Piston vacuum pumps are employed in various scientific research applications.

– They are used in vacuum systems for particle accelerators, electron microscopes, mass spectrometers, surface analysis instruments, and other scientific equipment.

In summary, piston vacuum pumps have diverse applications in laboratories, pharmaceuticals, food processing, HVAC systems, manufacturing processes, automotive industry, electronics, environmental monitoring, scientific research, and more. Their ability to provide controlled evacuation and achieve moderate vacuum levels makes them suitable for a wide range of industries and processes.

piston vacuum pump

How Do You Troubleshoot Common Issues with Piston Vacuum Pumps?

Troubleshooting common issues with piston vacuum pumps involves a systematic approach to identify and resolve problems. Here’s a detailed explanation:

1. Insufficient Vacuum Level:

– If the vacuum level achieved by the piston pump is lower than expected:

– Check for leaks: Inspect all connections, seals, and fittings for any signs of leakage. Repair or replace any damaged components.

– Verify valve operation: Ensure that the valves in the pump are functioning correctly. Clean or replace any faulty valves that may be impeding the pump’s performance.

– Check for worn piston or cylinder: Examine the piston and cylinder for signs of wear. If necessary, replace these components to restore optimal vacuum performance.

2. Excessive Noise or Vibrations:

– If the piston pump is producing excessive noise or vibrations:

– Check for misalignment: Ensure that the pump is properly aligned with its drive mechanism. Adjust or realign as necessary.

– Inspect mounting and support: Examine the pump’s mounting and support structure to ensure it is stable and secure. Reinforce or repair any weak or damaged mounts.

– Verify lubrication: Adequate lubrication is crucial for smooth pump operation. Check the lubrication system and ensure it is supplying sufficient lubricant to all necessary components.

3. Overheating:

– If the piston pump is overheating:

– Check cooling system: Inspect the cooling system, including fans, heat exchangers, and cooling fins. Clean or replace any clogged or malfunctioning cooling components.

– Verify airflow: Ensure that there is proper airflow around the pump. Remove any obstructions or debris that may be impeding the flow of cooling air.

– Evaluate operating conditions: Examine the pump’s operating conditions, such as ambient temperature and duty cycle. Adjust these factors if necessary to prevent overheating.

4. Oil Contamination:

– If there is oil contamination in the vacuum system:

– Check oil seals: Inspect the seals in the pump for any signs of damage or wear. Replace any faulty seals that may be allowing oil leakage.

– Verify oil level and quality: Ensure that the pump’s oil level is correct and that the oil is clean and free from contaminants. Replace the oil if necessary.

– Evaluate oil mist separation: If the pump is equipped with oil mist separation mechanisms, verify their effectiveness. Clean or replace any filters or separators that may be compromised.

5. Insufficient Pumping Capacity:

– If the pump is unable to meet the required pumping capacity:

– Check for blockages: Inspect the intake and exhaust ports for any blockages or obstructions. Clear any debris or foreign objects that may be impeding the pump’s operation.

– Verify valve operation: Ensure that the valves are opening and closing properly. Clean or replace any valves that may be stuck or malfunctioning.

– Evaluate motor performance: Assess the motor driving the pump for any issues such as insufficient power or improper speed. Repair or replace the motor if necessary.

6. Manufacturer’s Guidelines:

– It’s important to consult the manufacturer’s guidelines and documentation for specific troubleshooting procedures and recommendations tailored to the particular piston vacuum pump model.

– Follow the manufacturer’s instructions for routine maintenance, inspections, and any specific troubleshooting steps provided.

In summary, troubleshooting common issues with piston vacuum pumps involves steps such as checking for leaks, verifying valve operation, inspecting for wear or misalignment, ensuring proper lubrication and cooling, addressing oil contamination, clearing blockages, and evaluating motor performance. Following the manufacturer’s guidelines and documentation is essential for accurate troubleshooting and resolving problems effectively.

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 wholesaler Surgical Extraction for Dentistry and Hospitals Oil Free Piston Vacuum Pump   vacuum pump	China wholesaler Surgical Extraction for Dentistry and Hospitals Oil Free Piston Vacuum Pump   vacuum pump
editor by Dream 2024-04-19


Leave a Reply

Your email address will not be published. Required fields are marked *