Product Description
Product Description
GWSP Oil free Scroll Vacuum Pump
Working principle:
GWSP oil free scroll vacuum pump is constructed with pump head assembly, crank pin assembly, bracket assembly, air flush assembly,and exhaust valve assembly.Two spiral cylinders, 1 offset and orbiting against the other fixed with an offset of 180° to form several crescent-shaped pockets of different sizes. By means of an eccentric drive, the orbiting scroll is made to orbit about the fixed scroll, reducing the volume of the pockets and compressing gas from outside towards the inside thereby pumping the gas from vacuum chamber.
Basic informations:
1) Model: GWSP150 Oil free scroll vacuum pump
2) Ultimate vacuum pressure: 6.0Pa/0.06 mbar (abs.)
3) Max suction capacity: 50Hz-2.0L/s 60Hz-2.4L/s
Safety Precautions:
The GWSP series oil free scroll vacuum pumps are suitable for clean processes only.
Do not pump toxic, explosive, flammable or corrosive substances or substances which contain chemicals, solvents or particles.GEOWELL will not perform maintenance work on pumps which have used special gases or other hazardous substances.
Be sure the inlet gas temperature must be lower than 122 °F.
Technical Specifications
| Model | GWSP40 | GWSP75 | GWSP150 | GWSP300 | GWSP600 | GWSP1000 | ||
| Pumping Speed | 50Hz | l/s | 0.5 | 1.0 | 2.0 | 4.3 | 8.7 | 16.6 |
| m3/h | 1.8 | 3.6 | 7.2 | 15.5 | 31.3 | 59.8 | ||
| cfm | 1.1 | 2.1 | 4.3 | 9.3 | 18.7 | 35.8 | ||
| 60Hz | l/s | 0.6 | 1.2 | 2.4 | 5.1 | 10.4 | 20.0 | |
| m3/h | 2.2 | 4.3 | 8.6 | 18.3 | 37.4 | 71.6 | ||
| cfm | 1.3 | 2.5 | 5.1 | 10.9 | 22.3 | 42.8 | ||
| Ultimate Pressure | Torr | ≤1.1*10-1 | ≤6.0*10-2 | ≤4.5*10-2 | ≤1.9*10-2 | ≤7.5*10-3 | ≤7.5*10-3 | |
| psi | ≤2.2*10-3 | ≤1.2*10-3 | ≤9.0*10-4 | ≤3.8*10-4 | ≤1.5*10-4 | ≤1.5*10-4 | ||
| Pa | ≤15 | ≤8 | ≤6 | ≤2.6 | ≤1 | ≤1 | ||
| mbar | ≤1.5*10-1 | ≤8.0*10-2 | ≤6.0*10-2 | ≤2.6*10-2 | ≤1.0*10-2 | ≤1.0*10-2 | ||
| Noise Level | dB(A) | ≤54 | ≤57 | ≤57 | ≤60 | ≤61 | ≤65 | |
| Leakage | mbar·l/s | 1*10-7 | ||||||
| Max. Inlet/Exhaust Pressure | MPa | 0.1 / 0.13 | ||||||
| Ambient Operation Temp. | ºF | 41~104 | ||||||
| Motor 1 phase | Power | kW | 0.25 | 0.55 | 0.55 | 0.55 | 0.75 | -- |
| Voltage | V | 110~115 (60Hz),200~230 (50Hz) | -- | |||||
| Speed | rpm | 1425(50Hz),1725(60Hz) | -- | |||||
| Plug | North America, Europe, UK/Ireland, India | -- | ||||||
| Motor 3 phase | Power | kW | -- | 0.55 | 0.55 | 0.55 | 0.75 | 1.5 |
| Voltage | V | -- | 200~230 or 380~415 (50Hz),200~230 or 460 (60Hz) | |||||
| Speed | rpm | -- | 1425 (50Hz),1725 (60Hz) | |||||
| Inlet/Exhaust Flange | KF25/KF16 | KF40/KF16 | KF40/KF16*2 | |||||
| Dimensions | 1 phase | mm | 326*212*253 | 450*260*296 | 455*260*296 | 493*297*334 | 538*315*348 | -- |
| 3 phase | mm | -- | 450*260*296 | 455*260*296 | 493*297*334 | 538*315*348 | 576*450*402 | |
| Net Weight | 1 phase | kg | 15 | 21 | 22 | 29 | 36 | -- |
| 3 phase | kg | -- | 20 | 21 | 28 | 31 | 54 | |
| Cooling Type | Air cooled | |||||||
| Others | With air flush | |||||||
Features & Benefits
No oil clean vacuum.
No oil back-diffusion, no oil mist exhaust, provide clean vacuum environment
Wide product lineup.
Pumping speed covers 3~60 m3 /h, limited vacuum level 1~8 Pa
Suitable for all type of power supply around the world.
110/220/380/460V, 50/60Hz for choose
Low vibration, low noise.
57~65 dB(A), smooth operation
High efficiency, ease of maintenance.
No water cooled, no oil lubricated, no daily maintenance
Quality Control
CMM inspection system assures
fixed tolarance on dimension&shape
Pump Testing
Applications
Analyzing instrument and device.
Spectroscopy/scHangZhou electron microscopy.
Space environment simulation machine.
Helium Leak detector.
Mass spectrometer.
Cryopump regeneration.
Accelerators/synchrotrons.
Food and drug industry.
Freezing dryer.
Vacuum storage.
Medical equipment
Low temperature plasma sterilizer.
Vacuum storage.
Dental equipment.
Vacuum equipment.
Oil free ultrahigh vacuum unit
Oil free vacuum unit
Related Products
GWT25 Foreline Filter
Performance: Filter out the dust particles contained in the intake gas.
Application: Vacuum coating, food and drug processing, ceramic and glass manufacturing, vacuum CHINAMFG and vacuum packaging systems.
GWS16 Exhaust Silencer
Performance: Reduce exhaust noise from oil-free vacuum systems.
Application: Installation of oil free scroll vacuum pumps requires a quiet vacuum system.
GWMMK150 Major Maintenance Kit
Performance: Prolong the service life of the product.
Application: For the major maintenance of oil free scroll vacuum pump GWSP150.
GWTSK150 Tip Seal Kit
Performance: Prolong the service life of the product.
Application: For the scheduled maintenance of oil free scroll vacuum pump GWSP150.
Company Profile
GEOWELL VACUUM CO.,LTD. is a HI-TECH enterprise in China dedicating in manufacturing, research and development, marketing of oil free scroll vacuum pumps and vacuum compressors since 2002. GEOWELL has been providing users and partners with premium quality products that are efficient and dependable, GEOWELL believe the integration of high performance and high reliability product and service will bring the highest value to both our customers and ourselves.
FAQ
Q: How long can I get the feedback after we sent the inquiry?
A: We will reply you within 12 hours in working day.
Q: Are you direct manufacturer?
A: Yes, we are direct manufacturer with factory and international department; we manufacture and sell all our products by ourselves.
Q: When can you delivery the product to us?
A: Since we are a factory with large warehouse, we have abundant products in store, so we can delivery within 7 days after get your deposit.
Q: Can I add logo to the products?
A: Of course, but we usually have quantity requirement. You can contact with us for details.
Q: How to guarantee the quality and after sales service of your products?
A: We conduct strict detection during production from raw material come in to product delivering shipment. Every product must go through 4 steps inspection from casting, machining, assembling, and performance testing within our factory before shipment, also intact packaging test are insured.
Q: What is your warranty term?
A: There is a 12 months warranty for our export products from the date of shipment. If warranty has run out, our customer should pay for the replacement part.
Q: Is the sample available?
A: Yes, usually we send our samples by Fedex, DHL, TNT, UPS, EMS, SF, Depon, it will take around 3 to 4 days for our customer receive them, but customer will charge all cost related to the samples, such as sample cost and air freight. We will refund our customer the sample cost after receiving the order.
/* 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(/(.*?):(.*)$/))&&1
| After-sales Service: | Yes |
|---|---|
| Warranty: | 1 Years |
| Oil or Not: | Oil Free |
| Customization: |
Available
|
|
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
| Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|
Can Vacuum Pumps Be Used for Vacuum Furnaces?
Yes, vacuum pumps can be used for vacuum furnaces. Here's a detailed explanation:
Vacuum furnaces are specialized heating systems used in various industries for heat treatment processes that require controlled environments with low or no atmospheric pressure. Vacuum pumps play a crucial role in creating and maintaining the vacuum conditions necessary for the operation of vacuum furnaces.
Here are some key points regarding the use of vacuum pumps in vacuum furnaces:
1. Vacuum Creation: Vacuum pumps are used to evacuate the furnace chamber, creating a low-pressure or near-vacuum environment. This is essential for the heat treatment processes carried out in the furnace, as it helps eliminate oxygen and other reactive gases, preventing oxidation or unwanted chemical reactions with the heated materials.
2. Pressure Control: Vacuum pumps provide the means to control and maintain the desired pressure levels within the furnace chamber during the heat treatment process. Precise pressure control is necessary to achieve the desired metallurgical and material property changes during processes such as annealing, brazing, sintering, and hardening.
3. Contamination Prevention: By removing gases and impurities from the furnace chamber, vacuum pumps help prevent contamination of the heated materials. This is particularly important in applications where cleanliness and purity of the processed materials are critical, such as in the aerospace, automotive, and medical industries.
4. Rapid Cooling: Some vacuum furnace systems incorporate rapid cooling capabilities, known as quenching. Vacuum pumps assist in facilitating the rapid cooling process by removing the heat generated during quenching, ensuring efficient cooling and minimizing distortion or other unwanted effects on the treated materials.
5. Process Flexibility: Vacuum pumps provide flexibility in the type of heat treatment processes that can be performed in vacuum furnaces. Different heat treatment techniques, such as vacuum annealing, vacuum brazing, or vacuum carburizing, require specific pressure levels and atmospheric conditions that can be achieved and maintained with the use of vacuum pumps.
6. Vacuum Pump Types: Different types of vacuum pumps can be used in vacuum furnaces, depending on the specific requirements of the heat treatment process. Commonly used vacuum pump technologies include oil-sealed rotary vane pumps, dry screw pumps, diffusion pumps, and cryogenic pumps. The choice of vacuum pump depends on factors such as required vacuum level, pumping speed, reliability, and compatibility with the process gases.
7. Maintenance and Monitoring: Proper maintenance and monitoring of vacuum pumps are essential to ensure their optimal performance and reliability. Regular inspections, lubrication, and replacement of consumables (such as oil or filters) are necessary to maintain the efficiency and longevity of the vacuum pump system.
8. Safety Considerations: Operating vacuum furnaces with vacuum pumps requires adherence to safety protocols. This includes proper handling of potentially hazardous gases or chemicals used in the heat treatment processes, as well as following safety guidelines for operating and maintaining the vacuum pump system.
Overall, vacuum pumps are integral components of vacuum furnaces, enabling the creation and maintenance of the required vacuum conditions for precise and controlled heat treatment processes. They contribute to the quality, consistency, and efficiency of the heat treatment operations performed in vacuum furnaces across a wide range of industries.
Can Vacuum Pumps Be Used for Leak Detection?
Yes, vacuum pumps can be used for leak detection purposes. Here's a detailed explanation:
Leak detection is a critical task in various industries, including manufacturing, automotive, aerospace, and HVAC. It involves identifying and locating leaks in a system or component that may result in the loss of fluids, gases, or pressure. Vacuum pumps can play a significant role in leak detection processes by creating a low-pressure environment and facilitating the detection of leaks through various methods.
Here are some ways in which vacuum pumps can be used for leak detection:
1. Vacuum Decay Method: The vacuum decay method is a common technique used for leak detection. It involves creating a vacuum in a sealed system or component using a vacuum pump and monitoring the pressure change over time. If there is a leak present, the pressure will gradually increase due to the ingress of air or gas. By measuring the rate of pressure rise, the location and size of the leak can be estimated. Vacuum pumps are used to evacuate the system and establish the initial vacuum required for the test.
2. Bubble Testing: Bubble testing is a simple and visual method for detecting leaks. In this method, the component or system being tested is pressurized with a gas, and then immersed in a liquid, typically soapy water. If there is a leak, the gas escaping from the component will form bubbles in the liquid, indicating the presence and location of the leak. Vacuum pumps can be used to create a pressure differential that forces gas out of the leak, making it easier to detect the bubbles.
3. Helium Leak Detection: Helium leak detection is a highly sensitive method used to locate extremely small leaks. Helium, being a small atom, can easily penetrate small openings and leaks. In this method, the system or component is pressurized with helium gas, and a vacuum pump is used to evacuate the surrounding area. A helium leak detector is then used to sniff or scan the area for the presence of helium, indicating the location of the leak. Vacuum pumps are essential for creating the low-pressure environment required for this method and ensuring accurate detection.
4. Pressure Change Testing: Vacuum pumps can also be used in pressure change testing for leak detection. This method involves pressurizing a system or component and then isolating it from the pressure source. The pressure is monitored over time, and any significant pressure drop indicates the presence of a leak. Vacuum pumps can be used to evacuate the system after pressurization, returning it to atmospheric pressure for comparison or retesting.
5. Mass Spectrometer Leak Detection: Mass spectrometer leak detection is a highly sensitive and precise method used to identify and quantify leaks. It involves introducing a tracer gas, usually helium, into the system or component being tested. A vacuum pump is used to evacuate the surrounding area, and a mass spectrometer is employed to analyze the gas samples for the presence of the tracer gas. This method allows for accurate detection and quantification of leaks down to very low levels. Vacuum pumps are crucial for creating the necessary vacuum conditions and ensuring reliable results.
In summary, vacuum pumps can be effectively used for leak detection purposes. They facilitate various leak detection methods such as vacuum decay, bubble testing, helium leak detection, pressure change testing, and mass spectrometer leak detection. Vacuum pumps create the required low-pressure environment, assist in evacuating the system or component being tested, and enable accurate and reliable leak detection. The choice of vacuum pump depends on the specific requirements of the leak detection method and the sensitivity needed for the application.
Are There Different Types of Vacuum Pumps Available?
Yes, there are various types of vacuum pumps available, each designed to suit specific applications and operating principles. Here's a detailed explanation:
Vacuum pumps are classified based on their operating principles, mechanisms, and the type of vacuum they can generate. Some common types of vacuum pumps include:
1. Rotary Vane Vacuum Pumps:
- Description: Rotary vane pumps are positive displacement pumps that use rotating vanes to create a vacuum. The vanes slide in and out of slots in the pump rotor, trapping and compressing gas to create suction and generate a vacuum.
- Applications: Rotary vane vacuum pumps are widely used in applications requiring moderate vacuum levels, such as laboratory vacuum systems, packaging, refrigeration, and air conditioning.
2. Diaphragm Vacuum Pumps:
- Description: Diaphragm pumps use a flexible diaphragm that moves up and down to create a vacuum. The diaphragm separates the vacuum chamber from the driving mechanism, preventing contamination and oil-free operation.
- Applications: Diaphragm vacuum pumps are commonly used in laboratories, medical equipment, analysis instruments, and applications where oil-free or chemical-resistant vacuum is required.
3. Scroll Vacuum Pumps:
- Description: Scroll pumps have two spiral-shaped scrolls—one fixed and one orbiting—which create a series of moving crescent-shaped gas pockets. As the scrolls move, gas is continuously trapped and compressed, resulting in a vacuum.
- Applications: Scroll vacuum pumps are suitable for applications requiring a clean and dry vacuum, such as analytical instruments, vacuum drying, and vacuum coating.
4. Piston Vacuum Pumps:
- Description: Piston pumps use reciprocating pistons to create a vacuum by compressing gas and then releasing it through valves. They can achieve high vacuum levels but may require lubrication.
- Applications: Piston vacuum pumps are used in applications requiring high vacuum levels, such as vacuum furnaces, freeze drying, and semiconductor manufacturing.
5. Turbo Molecular Vacuum Pumps:
- Description: Turbo pumps use high-speed rotating blades or impellers to create a molecular flow, continuously pumping gas molecules out of the system. They typically require a backing pump to operate.
- Applications: Turbo molecular pumps are used in high vacuum applications, such as semiconductor fabrication, research laboratories, and mass spectrometry.
6. Diffusion Vacuum Pumps:
- Description: Diffusion pumps rely on the diffusion of gas molecules and their subsequent removal by a high-speed jet of vapor. They operate at high vacuum levels and require a backing pump.
- Applications: Diffusion pumps are commonly used in applications requiring high vacuum levels, such as vacuum metallurgy, space simulation chambers, and particle accelerators.
7. Cryogenic Vacuum Pumps:
- Description: Cryogenic pumps use extremely low temperatures to condense and capture gas molecules, creating a vacuum. They rely on cryogenic fluids, such as liquid nitrogen or helium, for operation.
- Applications: Cryogenic vacuum pumps are used in ultra-high vacuum applications, such as particle physics research, material science, and fusion reactors.
These are just a few examples of the different types of vacuum pumps available. Each type has its advantages, limitations, and suitability for specific applications. The choice of vacuum pump depends on factors like required vacuum level, gas compatibility, reliability, cost, and the specific needs of the application.
editor by Dream 2024-05-13