Warranty: 1 year
Customized support: OEM, ODM
Model Number: GWSPL75
Application: Food and Beverage Industry, Pharmaceutical industry, Freezing dryer, Vacuum storage, Low temperature plasma sterilizer, Dental equipment, Spectroscopy/scHangZhou electron microscopy, Space environment simulation machine, Helium Leak detector, Mass spectrometer, Cryopump regeneration, Oil free ultrahigh vacuum unit, Oil free vacuum unit, Oil free clean vacuum
Power Source: Electric
Pressure: Low Pressure
Structure: Scroll Pump
Certification: CE, EAC, ISO9001 certificated
Feature: No oil, low noise, maintenance free,provide clean vacuum
Mechanical Seal: Clearance sealed
Motor: 1/3 phase,50-60Hz,1425/1725rpm,110-416V,550W.Plug for USA, GINYI Webbing Needle Loom Machine Weft Belt Feeding Roller, Pulley With Bearing Jacquard Needle Loom Spare Parts EU,UK,India
Standard or Nonstandard: Standard
Material: Aluminum alloy
Color: Grey
Packaging Details: Standard honeycomb carton packaging, external winding plastic stretch film protection
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GWSPL Oil free Scroll Vacuum Pump
GWSPL 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.
Technical Specifications
| Model | GWSPL75 | ||
| Displacement | 50Hz | cfm | 2.2 |
| m3/h | 3.6 | ||
| l/s | 1.0 | ||
| l/min | 60.0 | ||
| 60Hz | cfm | 2.5 | |
| m3/h | 4.3 | ||
| l/s | 1.2 | ||
| l/min | 72.0 | ||
| Ultimate Pressure | Torr | ≤6.0*10-2 | |
| psi | ≤1.2*10-3 | ||
| mbar | ≤8.0*10-2 | ||
| Pa | ≤8 | ||
| Noise Level | dB(A) | ≤57 | |
| Leakage | mbar·l/s | 1*10-7 | |
| Max. Inlet/Exhaust Pressure | MPa | 0.1 / 0.13 | |
| Ambient Operation Temp. | ℉ | 41~104 | |
| Cooling Type | Air cooled | ||
| Inlet/Exhaust Flange | KF25/KF16 | ||
| Motor 1 phase | Power | kW | 0.55 |
| 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 |
| Voltage | V | 200~230 or 380~415 (50Hz), 200~230 or 460 (60Hz) | |
| Speed | rpm | 1425 (50Hz), Factory Cheap Wholesale Popular Quick Easy Installation Heavy Duty Glass Door Moving Quite Aluminum Sliding Door Pulleys 1725 (60Hz) | |
| Dimensions | 1 phase | mm | 470*265*250 |
| 3 phase | mm | 470*265*250 | |
| Net Weight | 1 phase | kg | 21 |
| 3 phase | kg | 20 | |
| Others | With air flush | ||
Safety Precautions
The GWSPL 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 less than 122 °F.
Construction in Details
Performance curves
Features and Benefits
Oil free clean vacuum
No oil back-diffusion, no oil mist exhaust,
provide clean vacuum environment
Wide product lineup
Pumping speed covers 1.8~35.4cfm, limited vacuum level 7.5*10-3~6.0*10-2Torr
Suitable for all type of power supply around the world
110/220/380/460V, 50/60Hz for choose
Low vibration, low noise
57~63 dB(A), smooth operation
High efficiency, ease of maintenance
No water cooled, no oil lubricated, daily maintenance free
Applications
Food and drug industry
Freezing dryer.
Vacuum storage.
Medical equipment
Low temperature plasma sterilizer.
Vacuum storage.
Dental equipment.
Analyzing instrument and device
Spectroscopy/scHangZhou electron microscopy
Space environment simulation machine
Helium Leak detector
Mass spectrometer
Cryopump regeneration
Accelerators/synchrotrons
Vacuum equipment
Oil free ultrahigh vacuum unit
Oil free vacuum unit
Certificates
GEOWELL created a road of independent R&D of oil-free scroll vacuum pump technologies. From basic theoretical research, application development to mass production, GEOWELL accumulated more than 60 technical patents and proprietary technologies, and certificated with CE of Europe, EAC of RUSSIA and ISO9001.
The Quality Control
GEOWELL has integrated quality concept into every aspect of product manufacturing. Quality control starts from raw materials incoming, built up and implement standards operating procedures from incoming raw materials, manufacturing, assembly, to shipment, all conduct quality inspection. strictly implements testing standards, China Foundry Precise Drive Belt Idle Dual Angle Spindle Pulley and makes data as only criterion for quality inspection.
Packaging & Shipping
Company Information
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.
Exhibitions
Question & Answers
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, Factory heavy duty cable pulley with bearing for sale 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.
Disadvantages of using a vacuum pump
A vacuum pump is a device that pulls gas molecules out of a volume and leaves a partial vacuum. Its main function is to create a relative vacuum within a given volume. There are several types of vacuum pumps. Some of them are better suited for specific purposes than others. However, there are some disadvantages to using a vacuum pump.
Application of vacuum pump
Vacuum pumps are invaluable tools in many industrial and scientific processes. They are often used to move gas and other harmful substances and to clear clogged drains. They are also used to support mechanical equipment. For example, they can be mounted on the engine of a motor vehicle or the power hydraulic component of an aircraft. No matter how they are used, they should fit the application.
The principle of a vacuum pump is to draw gas from a sealed chamber to create a partial vacuum. Over the years, vacuum pump technology has evolved from its original beginnings to its current form. Today, there are many types of vacuum pumps, including rotary vane pumps, momentum transfer pumps, and regeneration pumps.
The semiconductor industry is a major user of vacuum pumps. Among other applications, these pumps are commonly used for mounting circuit boards, securing components, blowing and jetting, and pumping. The use of renewable resources has paved the way for widespread semiconductor production, where vacuum pumps are crucial. This manufacturing shift is expected to boost vacuum pump sales across Europe. 
The most common types of vacuum pumps are positive displacement and rotary vane pumps. Positive displacement pumps are most effective for rough vacuum applications and are usually paired with momentum transfer pumps. These pumps are used in pharmaceutical, food and medical processes. They are also used in diesel engines, hydraulic brakes and sewage systems.
Positive displacement pumps are used to create low vacuum conditions and create a partial vacuum. These pumps create lower air pressure by enlarging the chamber and allowing gas to flow into the chamber. The air in the cavity is then vented to the atmosphere. Alternatively, momentum transfer pumps, also known as molecular pumps, use high-speed rotating blades to create dense fluids. 
Their drawbacks
Vacuum pumps are useful in industrial applications. However, they are not perfect and have some drawbacks. One of them is that their output is limited by the vacuum hose. Vacuum hoses are the bottleneck for vacuum pump performance and evacuation rates. The hose must be kept free of water and organic matter to ensure the highest possible vacuum.
Dry vacuum pumps do not have these problems. They may be more cost-effective but will increase maintenance costs. Water consumption is another disadvantage. When pond water is used, the pump puts additional pressure on the treatment facility. Additionally, contaminants from the gas can become trapped in the water, shortening the life of the pump.
Another disadvantage of vacuum pumps is their limited operating time at low vacuum. Therefore, they are only suitable for extremely high vacuum levels. Diaphragm pumps are another option for industrial applications. They have a sealed fluid chamber that allows a moderate vacuum. They also feature short strokes and a low compression ratio, making them quieter than their reciprocating counterparts.
Vacuum pumps are used in many industrial and scientific processes. They can be used to transport hazardous materials or clear clogged drains. They are also used in rear doors and dump tanks. Certain types of vacuum pumps can cause fluid blockages, which can be harmful. The vacuum pump should also be well suited to the fluid in it to avoid contamination.
Another disadvantage is the lack of proper vacuum system testing equipment. Mechanics often underestimate the importance of a properly functioning vacuum system. Most stores lack the equipment needed for proper troubleshooting. Typically, mechanics rely on the cockpit vacuum gauge to determine if the pump is working properly.
Some vacuum pumps are capable of providing constant vacuum. These pumps are also capable of eliminating odors and spills. However, these advantages are outweighed by some disadvantages of vacuum pumps.
editor by czh2023-02-07
