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: GWSP600 Oil free scroll vacuum pump
2) Ultimate vacuum pressure: 1.0Pa/0.01 mbar (abs.)
3) Max suction capacity: 50Hz-8.7L/s 60Hz-10.4L/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
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
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
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
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, such as sample cost and air freight. We will refund our customer the sample cost after receiving the order.
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| After-sales Service: | Yes |
|---|---|
| Warranty: | 1 Years |
| Oil or Not: | Oil Free |
| Structure: | Scroll Pump |
| Exhauster Method: | a Pair of Vortex Discs |
| Vacuum Degree: | Low Vacuum |
| Customization: |
Available
|
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|---|
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 is a scroll vacuum pump, and how does it work?
A scroll vacuum pump is a type of positive displacement pump used to create a vacuum by removing gases or air from a sealed system. It operates based on the principle of two interlocking spiral-shaped scrolls or spirals that create a series of enclosed pockets or chambers. Here's a detailed explanation of how a scroll vacuum pump works:
1. Basic Design:
A scroll vacuum pump typically consists of two main components: a fixed scroll and an orbiting scroll. The fixed scroll remains stationary, while the orbiting scroll moves eccentrically within the fixed scroll. Both scrolls have interlocking profiles, and the shape of the profiles determines the operation of the pump.
2. Suction Stage:
At the start of the operation, the scrolls are in the outermost position, and the chambers between the scrolls are open to the inlet or suction side of the pump. As the orbiting scroll begins to rotate, it moves inward, causing the chambers to decrease in volume. This reduction in volume creates a suction effect, drawing the gas or air into the chambers from the inlet port. The suction stage is responsible for pulling the gas or air into the pump.
3. Compression Stage:
As the orbiting scroll continues to rotate, the chambers move toward the center of the scrolls, progressively reducing in size. This reduction in chamber volume compresses the gas or air trapped within the chambers. The gas or air becomes trapped between the scrolls as they interlock and move closer together. The compression stage increases the pressure within the trapped gas or air, progressively compressing it as the scrolls continue to rotate.
4. Discharge Stage:
Once the chambers reach the center of the scrolls, they move to the outermost position on the discharge side of the pump. At this stage, the compressed gas or air is forced out of the pump through the discharge port. The discharge stage completes a full rotation of the scrolls, expelling the compressed gas or air from the pump, creating a vacuum within the system.
5. Oil-Free Operation:
One significant advantage of scroll vacuum pumps is their oil-free operation. Unlike some other vacuum pump types, scroll pumps do not require oil for lubrication or sealing purposes. The interlocking scrolls create a sealing mechanism without the need for any lubricating medium. This oil-free operation eliminates the risk of oil contamination in sensitive applications and reduces maintenance requirements.
6. Efficiency and Noise:
Scroll vacuum pumps are known for their efficiency and low noise levels. The continuous spiral motion of the scrolls ensures smooth and quiet operation. Additionally, the absence of frictional parts and the use of precise manufacturing techniques contribute to their overall efficiency. Scroll pumps can achieve high pumping speeds and deep vacuum levels, making them suitable for various applications.
7. Applications:
Scroll vacuum pumps find applications in a wide range of industries. They are commonly used in laboratories, medical equipment, semiconductor manufacturing, analytical instruments, and other industries that require clean, oil-free vacuum systems. Their compact size, reliability, and low maintenance make them a popular choice in applications where quiet operation and minimal vibration are essential.
In summary, a scroll vacuum pump operates by using two interlocking scrolls to create a series of chambers that progressively decrease in volume, leading to gas or air suction, compression, and discharge. The oil-free operation, efficiency, low noise levels, and suitability for various applications make scroll vacuum pumps a widely used and reliable vacuum solution.
editor by CX 2024-04-09