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: GWSP75 Oil free scroll vacuum pump
2) Ultimate vacuum pressure: 8.0Pa/0.08 mbar (abs.)
3) Max suction capacity: 50Hz-1.0L/s 60Hz-1.2L/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 | ||
| Displacement | 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
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 |
| Structure: | Scroll Pump |
| Exhauster Method: | a Pair of Vortex Plates |
| Vacuum Degree: | Low Vacuum |
| Customization: |
Available
|
|
|---|
Are there variations in scroll vacuum pump designs, and how do they affect performance?
Yes, there are variations in scroll vacuum pump designs, and they can have an impact on the performance of the pump. Here's a detailed explanation:
Single-Stage and Multi-Stage Designs:
Scroll vacuum pumps can be classified into single-stage and multi-stage designs:
- Single-stage: Single-stage scroll pumps have a single set of orbiting and fixed scrolls. They are typically used for applications where moderate vacuum levels and pumping speeds are required. Single-stage pumps are known for their simplicity, compactness, and quiet operation.
- Multi-stage: Multi-stage scroll pumps consist of multiple sets of orbiting and fixed scrolls arranged in series. Each stage provides additional compression, allowing for higher vacuum levels and faster pumping speeds. Multi-stage pumps are suitable for applications that require deeper vacuum levels or higher pumping capacities.
The choice between single-stage and multi-stage scroll pumps depends on the specific application requirements and desired performance characteristics.
Oil-Free and Oil-Sealed Designs:
Scroll vacuum pumps are available in both oil-free and oil-sealed designs:
- Oil-Free: Oil-free scroll vacuum pumps do not require lubricating oil in the pump chamber. They are suitable for applications that demand a clean and oil-free vacuum environment to prevent contamination or interference with sensitive samples or processes. Oil-free pumps are often preferred in laboratory, research, and semiconductor applications.
- Oil-Sealed: Oil-sealed scroll vacuum pumps utilize oil as a lubricant and sealing medium. The oil helps provide a better seal between the scrolls and contributes to improved performance in terms of vacuum level and pumping speed. Oil-sealed pumps are commonly used in industrial, manufacturing, and rough vacuum applications.
Both oil-free and oil-sealed scroll vacuum pumps have their advantages and considerations, and the selection depends on the specific requirements of the application.
Other Design Considerations:
In addition to the above variations, scroll vacuum pumps may have other design considerations that can affect their performance:
- Pump Size: Scroll pumps are available in different sizes, offering a range of pumping capacities and physical dimensions. The pump size influences the pumping speed and the size of the vacuum system it can handle. Smaller pumps are more compact and suitable for applications with lower flow rate requirements, while larger pumps provide higher pumping speeds.
- Motor Rating: The motor rating of a scroll vacuum pump determines its power output and affects the pumping speed and performance. Higher motor ratings generally result in faster pumping speeds and may be necessary for certain demanding applications.
- Control and Monitoring Features: Some scroll vacuum pumps may include advanced control and monitoring features, such as integrated controllers, digital interfaces, and performance indicators. These features can enhance the pump's usability, provide real-time data, and facilitate system integration.
It is important to refer to the manufacturer's specifications and guidelines for specific scroll vacuum pump models to understand the design variations and their impact on performance. The manufacturer can provide detailed information on the pump's capabilities, limitations, and recommended applications.
By selecting the appropriate scroll vacuum pump design based on the application requirements, it is possible to achieve optimal performance and efficiency in various vacuum processes.
What are the maintenance requirements for scroll vacuum pumps, and are they user-friendly?
Scroll vacuum pumps have relatively low maintenance requirements and are generally considered user-friendly. Here's a detailed explanation:
1. Maintenance Requirements:
Scroll vacuum pumps require regular maintenance to ensure optimal performance and longevity. The specific maintenance tasks may vary depending on the pump model and manufacturer's recommendations. However, the common maintenance requirements for scroll vacuum pumps include:
a. Filter Cleaning/Replacement: Scroll vacuum pumps often incorporate inlet filters to prevent debris and particulates from entering the pump. These filters may need periodic cleaning or replacement to maintain proper airflow and prevent clogging.
b. Oil Inspection/Change (If Applicable): Some scroll vacuum pumps may require oil lubrication for bearing or sealing purposes. In such cases, regular oil inspection and oil change may be necessary to ensure proper lubrication and prevent contamination.
c. Seal Inspection/Replacement: Scroll vacuum pumps utilize seals to maintain the pressure difference between the inlet and outlet. Over time, these seals may wear out and require inspection or replacement to prevent leaks and maintain pump efficiency.
d. Overall Inspection and Cleaning: Regular visual inspections are recommended to check for any signs of wear, damage, or buildup of contaminants. Cleaning the pump surfaces and removing any accumulated debris or dust can help maintain optimal performance.
2. User-Friendly Nature:
Scroll vacuum pumps are generally considered user-friendly due to the following reasons:
a. Easy Installation: Scroll vacuum pumps are compact and lightweight, making them easy to install and integrate into vacuum systems. They often come with user manuals or documentation that provide step-by-step instructions for installation.
b. Simple Operation: Scroll vacuum pumps have a straightforward operating principle with minimal moving parts. They typically require no adjustments or tuning during operation, making them easy to use for both novice and experienced users.
c. Minimal Maintenance: Compared to some other types of vacuum pumps, scroll vacuum pumps have relatively low maintenance requirements. The maintenance tasks are typically simple and can be performed without specialized tools or extensive technical knowledge.
d. Safety Features: Scroll vacuum pumps often incorporate safety features such as over-temperature protection or automatic shutdown mechanisms to prevent damage or accidents. These features enhance user safety and contribute to their user-friendly nature.
Overall, scroll vacuum pumps have manageable maintenance requirements and are considered user-friendly due to their ease of installation, simple operation, minimal maintenance needs, and incorporation of safety features. Regular adherence to the manufacturer's maintenance guidelines ensures optimal performance and extends the lifespan of the pump.
What are the typical applications of scroll vacuum pumps across industries?
Scroll vacuum pumps find applications in a wide range of industries due to their unique advantages and capabilities. Here's a detailed explanation of the typical applications of scroll vacuum pumps across various industries:
1. Laboratories and Research Facilities:
Scroll vacuum pumps are extensively used in laboratories and research facilities for various applications. They are commonly employed in vacuum ovens, freeze dryers, rotary evaporators, and other laboratory equipment that require precise and controlled vacuum environments. Scroll pumps' oil-free operation ensures a clean and contamination-free atmosphere, making them suitable for sensitive experiments and analyses. Their low noise and vibration levels are also advantageous in research settings where a quiet environment is necessary.
2. Semiconductor Manufacturing:
In the semiconductor industry, scroll vacuum pumps play a crucial role in the fabrication and production of electronic components. They are used in processes such as physical vapor deposition (PVD), chemical vapor deposition (CVD), etching, and ion implantation. Scroll pumps provide the required vacuum conditions for these processes, ensuring the deposition or removal of materials with high precision. Their oil-free operation eliminates the risk of oil contamination in the semiconductor manufacturing process, ensuring the quality and reliability of the manufactured devices.
3. Analytical Instruments:
Scroll vacuum pumps are widely used in analytical instruments such as mass spectrometers, electron microscopes, and surface analysis equipment. These instruments require vacuum environments to operate efficiently and produce accurate results. Scroll pumps offer the necessary vacuum levels for sample preparation, ionization, and analysis. Their high pumping speed and deep vacuum capabilities make them suitable for rapid evacuation and maintaining the required vacuum conditions during analytical processes.
4. Medical and Pharmaceutical Applications:
In the medical and pharmaceutical industries, scroll vacuum pumps find applications in various areas. They are commonly used in medical sterilizers, vacuum ovens for drying pharmaceutical products, and vacuum concentrators for sample preparation. The oil-free operation of scroll pumps ensures the integrity and quality of medical devices, pharmaceutical products, and biological samples. Their low noise levels and compact size are advantageous in medical environments where space is limited, and a quiet atmosphere is necessary.
5. Food Processing and Packaging:
Scroll vacuum pumps are employed in the food processing and packaging industry for vacuum packaging, vacuum sealing, and degassing processes. They help extend the shelf life of food products by creating a vacuum environment that inhibits microbial growth and prevents oxidation. Scroll pumps are also used in food freeze-drying processes to remove moisture while maintaining the product's quality and nutritional value. Their clean and oil-free operation ensures the hygiene and safety of the food products.
6. Environmental and HVAC Systems:
Scroll vacuum pumps are used in environmental monitoring systems where they help create vacuum conditions for gas analysis and air quality measurement. They are also utilized in heating, ventilation, and air conditioning (HVAC) systems for vacuum evacuation during the installation or maintenance of HVAC units. The compact size and low noise levels of scroll pumps make them suitable for HVAC applications where space constraints and noise reduction are important considerations.
7. Automotive and Manufacturing:
In the automotive and manufacturing industries, scroll vacuum pumps find applications in processes such as vacuum molding, vacuum lifting, and vacuum forming. They provide the necessary vacuum conditions for molding or shaping materials, lifting heavy objects, and creating airtight seals. The oil-free operation of scroll pumps ensures that there is no risk of oil contamination in the manufactured products.
These are just a few examples of the typical applications of scroll vacuum pumps across industries. Their oil-free operation, high efficiency, low noise levels, and clean vacuum generation make them a versatile and reliable choice in various industrial sectors.
editor by CX 2024-04-11