Warranty: 1 calendar year
Personalized assistance: OEM, ODM
Design Number: GWSP75
Application: Food and Beverage Industry, Pharmaceutical business, Ultrahigh vacuum unit, Vacuum sputtering device, IC plasma cleansing device, IC plasma sprucing device, IC packaging machine, IC transport chamber, LED vacuum annealing furnace, Load lock/transfer chambers, Glove box, LED packaging equipment, Liquid crystal injection and packaging, Vacuum annealing furnace, Vacuum diffusion oven, 3D steel printing, Solitary crystal progress furnace, Microwave cleaning and microwave drying equipment, E-beam/Laser melting, Vacuum degassing, Vacuum gasoline substitution, Freezing dryer, Vacuum storage, Minimal temperature plasma sterilizer, Dental tools, Lithium battery drying and packaging equipment, Spectroscopy/scHangZhou electron microscopy, Place surroundings simulation device, Helium Leak detector, Mass spectrometer, Cryopump regeneration, Oil free ultrahigh vacuum unit, Vacuum equipment, Oil cost-free thoroughly clean vacuum
Energy Resource: Electric powered
Pressure: Minimal Force
Construction: Scroll Pump
Certification: CE, EAC, ISO9001 certificated
Characteristic: No oil, minimal sound, routine maintenance free,give clean vacuum
Mechanical Seal: Clearance sealed
Motor: 1/3 phase,fifty-60Hz,1425/1725rpm,110-416V,550W.Plug for United states of america, Personalized higher overall performance ISO 5294 H eighteen teeth C45 metal black coating floor treatment transmission timing belt pulley EU,Uk,India
Normal or Nonstandard: Common
Content: Aluminum alloy
Color: Gray
Packaging Specifics: Regular honeycomb carton packaging, external winding plastic stretch movie safety

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GWSP Oil free of charge Scroll Vacuum Pump
GWSP collection oil cost-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 totally free vortex vacuum pump is perfectly utilized in semiconductor sector, photoelectric, supplies, health-related, strength, aerospace, examining instruments and vacuum techniques, with the advantages of compact framework, tiny dimensions, gentle bodyweight and reduced vibration, reduced sound, minimal strength consumption, appropriate for world-wide electricity supply, 1 button start off, can be regularly commenced and end amongst atmospheric force and vacuum.GEOWELL is a expert maker of scroll vacuum pumps with more than twenty many years of field expertise, the longest functionality several hours and the largest income in China, GEOWELL’s GWSP sequence scroll vacuum pumps are the high quality decision for clean pumping technologies.

Complex Technical specs

Model			GWSP75
Displacement	50Hz	cfm	2.2
		m3/h	3.six
		l/s	1.
		l/min	60.
	60Hz	cfm	two.5
		m3/h	4.3
		l/s	one.2
		l/min	seventy two.
Final Pressure		Torr	≤6.*10-2
		psi	≤1.2*10-3
		mbar	≤8.*ten-2
		Pa	≤8
Noise Level		dB(A)	≤57
Leakage		mbar·l/s	one*ten-7
Max. Inlet/Exhaust Strain		MPa	.1 / .13
Ambient Procedure Temp.		℉	41~104
Cooling Kind			Air cooled
Inlet/Exhaust Flange			KF25/KF16
Motor 1 phase	Energy	kW	.fifty five
	Voltage	V	110~a hundred and fifteen (60Hz), 200~230 (50Hz)
	Velocity	rpm	1425 (50Hz),1725 (60Hz)
	Plug		North The us, Europe, British isles/Eire, India
Motor 3 phase	Electricity	kW	.55
	Voltage	V	200~230 or 380~415 (50Hz), two hundred~230 or 460 (60Hz)
	Velocity	rpm	1425 (50Hz),1725 (60Hz)
Proportions	1 stage	mm	455*260*275
	three section	mm	455*260*275
Net Excess weight	1 period	kg	21
	3 phase	kg	20
Others			With air flush

Basic safety Safeguards
The GWSP sequence oil totally free scroll vacuum pumps are suitable for cleanse processes only.
Do not pump toxic, explosive, flammable or corrosive substances or substances which have chemicals, solvents or particles.GEOWELL will not complete maintenance work on pumps which have utilized particular gases or other dangerous substances. Be sure the inlet gas temperature should be reduce than 122℉.

Development in Information

Performance curves

Attributes and Advantages
Oil cost-free cleanse vacuum
No oil again-diffusion, no oil mist exhaust, Stainless Steel 35716 One Wheel Sheave Swivel Sort Eye Wire Rope Pulley
provide cleanse vacuum atmosphere
Broad item lineup
Pumping speed covers 1.8~35.4cfm, restricted vacuum stage 7.5*10-3~6.*ten-2Torr
Suitable for all type of electrical power provide about the entire world
a hundred and ten/220/380/460V, fifty/60Hz for select
Reduced vibration, minimal noise
57~63 dB(A), clean procedure
Substantial performance, ease of upkeep
No water cooled, no oil lubricated, every day maintenance totally free

Programs
Semiconductor business
Vacuum sputtering equipment.
IC plasma cleaning equipment.
IC plasma sprucing machine.
IC packaging equipment.
IC transmission chamber.
Photoelectric sector
LED vacuum annealing furnace.
Load lock/transfer chambers.
Glove box.
LED packaging equipment.
Liquid crystal injection and packaging.
Materials sector
Vacuum annealing furnace.
Vacuum diffusion oven.
3D steel printing.
One crystal growth furnace.
Microwave drying machine.
E-beam/Laser melting.
Vacuum degassing.
Vacuum gas substitution.
Meals and drug market
Freezing dryer.
Vacuum storage.
Medical products
Minimal temperature plasma sterilizer.
Vacuum storage.
Dental equipment.
Strength market
SF6 Fuel restoration machine.
Lithium battery drying and packaging machine.
Analyzing instrument and gadget
Spectroscopy/scHangZhou electron microscopy
Area surroundings simulation machine
Helium Leak detector
Mass spectrometer
Cryopump regeneration
Accelerators/synchrotrons
Vacuum gear
Oil free ultrahigh vacuum device
Oil free vacuum device

Certificates
GEOWELL produced a street of independent R&D of oil-free of charge scroll vacuum pump technologies. From basic theoretical analysis, software development to mass production, GEOWELL accrued more than 60 technological patents and proprietary technologies, and certificated with CE of Europe, EAC of RUSSIA and ISO9001.

The Good quality Handle
GEOWELL has built-in quality principle into every single factor of merchandise producing. Top quality manage starts off from uncooked materials incoming, constructed up and apply requirements functioning procedures from incoming uncooked components, manufacturing, assembly, to cargo, all conduct top quality inspection. strictly implements tests standards, and tends to make information as only criterion for top quality inspection.

Packaging & Transport

Business Info
GEOWELL VACUUM CO.,LTD. is a Hi-TECH company in China dedicating in production, study and improvement, marketing of oil cost-free scroll vacuum pumps and vacuum compressors because 2002. GEOWELL has been supplying customers and partners with top quality high quality goods that are successful and reliable, GEOWELL believe the integration of higher performance and large trustworthiness solution and provider will provide the highest benefit to each our consumers and ourselves.

Exhibitions

Issue & Responses
Q: How extended can I get the feedback right after we sent the inquiry?
A: We will reply you inside 12 hrs in working day.
Q: Are you immediate manufacturer?
A: Indeed, we are direct manufacturer with factory and worldwide division we manufacture and sell all our merchandise by ourselves.
Q: When can you shipping and delivery the product to us?
A: Because we are a factory with big warehouse, we have abundant items in retailer, so we can supply within 7 days soon after get your deposit.
Q: Can I insert emblem to the items?
A: Of program, but we usually have quantity need. You can speak to with us for details.
Q: How to assure the quality and right after product sales provider of your products?
A: We conduct rigorous detection in the course of manufacturing from raw material arrive in to solution delivering shipment. Each solution have to go by way of 4 measures inspection from casting, machining, assembling, and efficiency testing inside our manufacturing unit before shipment, also intact packaging take a look at are insured.
Q: What is your warranty time period?
A: There is a twelve months guarantee for our export merchandise from the date of cargo. If guarantee has run out, our customer should spend for the replacement portion.
Q: Is the sample offered?
A: Indeed, usually we send out our samples by Fedex, DHL, TNT, UPS, EMS, SF, Depon, it will take around 3 to 4 times for our customer obtain them, but client will cost all price relevant to the samples, agricultural machinery gear 95 hp Utilized tractors with four wheel drive wheel travel this sort of as sample cost and air freight. We will refund our client the sample cost following getting 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.

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.

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.

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.

editor by czh 2023-02-15