China 1425r 50Hz Oilless Scroll Pump 0.55kw Dry Air Oil-less Vacuum Pump

Warranty: 1 year
Customized support: OEM, ODM
Model Number: GWSP75
Application: Food and Beverage Industry, Pharmaceutical industry, Ultrahigh vacuum unit, Vacuum sputtering machine, IC plasma cleaning machine, IC plasma polishing machine, IC packaging machine, IC transport chamber, LED vacuum annealing furnace, Load lock/transfer chambers, Glove box, LED packaging machine, Liquid crystal injection and packaging, Vacuum annealing furnace, Vacuum diffusion oven, 3D metal printing, Single crystal growth furnace, Microwave cleaning and microwave drying machine, E-beam/Laser melting, Vacuum degassing, Vacuum gas substitution, Freezing dryer, Vacuum storage, Low temperature plasma sterilizer, Dental equipment, Lithium battery drying and packaging machine, Spectroscopy/scHangZhou electron microscopy, Space environment simulation machine, Helium Leak detector, Mass spectrometer, Cryopump regeneration, Oil free ultrahigh vacuum unit, 12V DC motor planetary gearbox slew drive SE12-78-H-25R for solar tracking system Vacuum equipment, 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,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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GWSP Oil free Scroll Vacuum Pump
GWSP series oil free scroll vacuum pump, also refer to as vortex pump, dry scroll pump, oil free scroll pump, oilless scroll pump, dry scroll vacuum pump, oil free vortex vacuum pump is perfectly used in semiconductor industry, photoelectric, materials, medical, energy, aerospace, analyzing instruments and vacuum systems, with the advantages of compact structure, small size, light weight and low vibration, low noise, low energy consumption, suitable for global power supply, Machine drive motor V-pulley V-belt pulleys air compressor fan pulley 1 button start, can be frequently started and stop between atmospheric pressure and vacuum.GEOWELL is a professional manufacturer of scroll vacuum pumps with over 20 years of field experience, the longest performance hours and the largest sales in China, GEOWELL’s GWSP series scroll vacuum pumps are the premium choice for clean pumping technology.

Technical Specifications

ModelGWSP75
Displacement50Hzcfm2.2
m3/h3.6
l/s1.0
l/min60.0
60Hzcfm2.5
m3/h4.3
l/s1.2
l/min72.0
Ultimate PressureTorr≤6.0*10-2
psi≤1.2*10-3
mbar≤8.0*10-2
Pa≤8
Noise LeveldB(A)≤57
Leakagembar·l/s1*10-7
Max. Inlet/Exhaust PressureMPa0.1 / 0.13
Ambient Operation Temp.41~104
Cooling Type Air cooled
Inlet/Exhaust Flange KF25/KF16
Motor 1 phasePowerkW0.55
VoltageV110~115 (60Hz), 200~230 (50Hz)
Speedrpm1425 (50Hz),1725 (60Hz)
Plug North America, Europe, UK/Ireland, India
Motor 3 phasePowerkW0.55
VoltageV200~230 or 380~415 (50Hz), 200~230 or 460 (60Hz)
Speedrpm1425 (50Hz),1725 (60Hz)
Dimensions1 phasemm455*260*275
3 phasemm455*260*275
Net Weight1 phasekg21
3 phasekg20
Others With air flush

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℉.

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
Semiconductor industry
Vacuum sputtering machine.
IC plasma cleaning machine.
IC plasma polishing machine.
IC packaging machine.
IC transmission chamber.
Photoelectric industry
LED vacuum annealing furnace.
Load lock/transfer chambers.
Glove box.
LED packaging machine.
Liquid crystal injection and packaging.
Material industry
Vacuum annealing furnace.
Vacuum diffusion oven.
3D metal printing.
Single crystal growth furnace.
Microwave drying machine.
E-beam/Laser melting.
Vacuum degassing.
Vacuum gas substitution.
Food and drug industry
Freezing dryer.
Vacuum storage.
Medical equipment
Low temperature plasma sterilizer.
Vacuum storage.
Dental equipment.
Energy industry
SF6 Gas recovery machine.
Lithium battery drying and packaging machine.
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, Factory supply newest multifunctional 50HP agricultural farm tractor 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, 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, it will take around 3 to 4 days for our customer receive them, but customer will charge all cost related to the samples, High Viscosity Gear Pump Api 610 Centrifugal Pump Lubrication Oil Transfer Pump Freon Recovery Tank such as sample cost and air freight. We will refund our customer the sample cost after receiving the order.

Types of vacuum pumps

A vacuum pump is a device that draws gas molecules from a sealed volume and leaves a partial vacuum in its wake. Its job is to create a relative vacuum within a specific volume or volume. There are many types of vacuum pumps, including centrifugal, screw and diaphragm.
Vacuum Pump

Forward centrifugal pump

Positive displacement centrifugal vacuum pumps are one of the most commonly used pump types in the oil and gas industry. Their efficiency is limited to a range of materials and can handle relatively high solids concentrations. However, using these pumps has some advantages over other types of pumps.
Positive displacement pumps have an enlarged cavity on the suction side and a reduced cavity on the discharge side. This makes them ideal for applications involving high viscosity fluids and high pressures. Their design makes it possible to precisely measure and control the amount of liquid pumped. Positive displacement pumps are also ideal for applications requiring precise metering.
Positive displacement pumps are superior to centrifugal pumps in several ways. They can handle higher viscosity materials than centrifuges. These pumps also operate at lower speeds than centrifugal pumps, which makes them more suitable for certain applications. Positive displacement pumps are also less prone to wear.
Positive displacement vacuum pumps operate by drawing fluid into a chamber and expanding it to a larger volume, then venting it to the atmosphere. This process happens several times per second. When maximum expansion is reached, the intake valve closes, the exhaust valve opens, and fluid is ejected. Positive displacement vacuum pumps are highly efficient and commonly used in many industries.

Self-priming centrifugal pump

Self-priming centrifugal pumps are designed with a water reservoir to help remove air from the pump. This water is then recirculated throughout the pump, allowing the pump to run without air. The water reservoir can be located above or in front of the impeller. The pump can then reserve water for the initial start.
The casing of the pump contains an increasingly larger channel forming a cavity retainer and semi-double volute. When water enters the pump through channel A, it flows back to the impeller through channels B-C. When the pump is started a second time, the water in the pump body will be recirculated back through the impeller. This recycling process happens automatically.
These pumps are available in a variety of models and materials. They feature special stainless steel castings that are corrosion and wear-resistant. They can be used in high-pressure applications and their design eliminates the need for inlet check valves and intermediate valves. They can also be equipped with long intake pipes, which do not require activation.
Self-priming centrifugal pumps are designed to run on their own, but there are some limitations. They cannot operate without a liquid source. A foot valve or external liquid source can help you start the self-priming pump.

Screw Pump

The mechanical and thermal characteristics of a screw vacuum pump are critical to its operation. They feature a small gap between the rotor and stator to minimize backflow and thermal growth. Temperature is a key factor in their performance, so they have an internal cooling system that uses water that circulates through the pump’s stator channels. The pump is equipped with a thermostatically controlled valve to regulate the water flow. Also includes a thermostatic switch for thermal control.
Screw vacuum pumps work by trapping gas in the space between the rotor and the housing. The gas is then moved to the exhaust port, where it is expelled at atmospheric pressure. The tapered discharge end of the screw further reduces the volume of gas trapped in the chamber. These two factors allow the pump to work efficiently and safely.
Screw vacuum pumps are designed for a variety of applications. In some applications, the pump needs to operate at very low pressures, such as when pumping large volumes of air. For this application, the SCREWLINE SP pump is ideal. Their low discharge temperature and direct pumping path ensure industrial process uptime. These pumps also feature non-contact shaft seals to reduce mechanical wear. Additionally, they feature a special cantilever bearing arrangement to eliminate potential sources of bearing failure and lubrication contamination.
Screw vacuum pumps use an air-cooled screw to generate a vacuum. They are compact, and clean, and have a remote monitoring system with built-in intelligence. By using the app, users can monitor pump performance remotely.
Vacuum Pump

Diaphragm Pump

Diaphragm vacuum pumps are one of the most common types of vacuum pumps found in laboratories and manufacturing facilities. The diaphragm is an elastomeric membrane held in place around the outer diameter. While it is not possible to seal a diaphragm vacuum pump, there are ways to alleviate the problems associated with this design.
Diaphragm vacuum pumps are versatile and can be used in a variety of clean vacuum applications. These pumps are commercially available with a built-in valve system, but they can also be modified to include one. Because diaphragm pumps are so versatile, it’s important to choose the right type for the job. Understanding how pumps work will help you match the right pump to the right application.
Diaphragm vacuum pumps offer a wide range of advantages, including an extremely long service life. Most diaphragm pumps can last up to ten thousand hours. However, they may be inefficient for processes that require deep vacuum, in which case alternative technologies may be required. Additionally, due to the physics of diaphragm pumps, the size of these pumps may be limited. Also, they are not suitable for high-speed pumping.
Diaphragm vacuum pumps are a versatile subset of laboratory pumps. They are popular for their oil-free construction and low maintenance operation. They are available in a variety of styles and have many optional features. In addition to low maintenance operation, they are chemically resistant and can be used with a variety of sample types. However, diaphragm pumps tend to have lower displacements than other vacuum pumps.

Atmospheric pressure is a key factor in a vacuum pump system

Atmospheric pressure is the pressure created by the collision of air molecules. The more they collide, the greater the pressure. This applies to pure gases and mixtures. When you measure atmospheric pressure, the pressure gauge reads about 14.7 psia. The higher the pressure, the greater the force on the gas molecules.
The gas entering the vacuum pump system is below atmospheric pressure and may contain entrained liquids. The mechanism of this process can be explained by molecular kinetic energy theory. The theory assumes that gas molecules in the atmosphere have high velocities. The resulting gas molecules will then start moving in random directions, colliding with each other and creating pressure on the walls of the vacuum vessel.
Atmospheric pressure is a critical factor in a vacuum pump system. A vacuum pump system is useless without proper atmospheric pressure measurement. The pressure in the atmosphere is the total pressure of all gases, including nitrogen and oxygen. Using total pressure instead of partial pressure can cause problems. The thermal conductivity of various gases varies widely, so working at full pressure can be dangerous.
When choosing a vacuum pump, consider its operating range. Some pumps operate at low atmospheric pressure, while others are designed to operate at high or ultra-high pressure. Different types of pumps employ different technologies that enhance their unique advantages.
Vacuum Pump

The screw pump is less efficient in pumping gases with smaller molecular weight

Vacuuming requires a high-quality pump. This type of pump must be able to pump gas of high purity and very low pressure. Screw pumps can be used in laboratory applications and are more efficient when pumping small molecular weight gases. Chemical resistance is critical to pump life. Chemical resistant materials are also available. Chemically resistant wetted materials minimize wear.
Gear pumps are more efficient than screw pumps, but are less efficient when pumping lower molecular weight gases. Gear pumps also require a larger motor to achieve the same pumping capacity. Compared to gear pumps, progressive cavity pumps also have lower noise levels and longer service life. In addition, gear pumps have a large footprint and are not suitable for tight spaces.
Progressive cavity pumps have two or three screws and a housing and side cover. They are also equipped with gears and bearings. Their mechanical design allows them to operate in high pressure environments with extremely low noise. The progressive cavity pump is a versatile pump that can be used in a variety of applications.
Dry screw compressors have different aspect ratios and can operate at high and low pressures. The maximum allowable differential pressure for screw compressors ranges from 0.4 MPa for 3/5 rotors to 1.5 MPa for 4/6 rotors. These numbers need to be determined on a case-by-case basis.

China 1425r 50Hz Oilless Scroll Pump 0.55kw Dry Air Oil-less Vacuum Pump    China 1425r 50Hz Oilless Scroll Pump 0.55kw Dry Air Oil-less Vacuum Pump
editor by czh2023-03-24