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
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 Plates |
| Vacuum Degree: | Low Vacuum |
| Customization: |
Available
|
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|---|
What safety features are typically integrated into scroll vacuum pump systems?
Scroll vacuum pump systems often incorporate several safety features to ensure safe and reliable operation. Here's a detailed explanation:
1. Overtemperature Protection:
Scroll vacuum pump systems typically include overtemperature protection mechanisms to prevent the pump from overheating. These safeguards can include temperature sensors that monitor the pump's operating temperature. If the temperature exceeds a predefined threshold, the system can activate alarms, shut down the pump, or initiate cooling measures to prevent damage to the pump or surrounding components.
2. Overpressure Protection:
To protect against excessive pressure, scroll vacuum pump systems may incorporate overpressure protection features. These features can include pressure relief valves or burst discs designed to vent or release excess pressure in the system. Overpressure protection mechanisms help prevent damage to the pump, system components, or potential hazards caused by pressure buildup.
3. Motor Overload Protection:
Scroll vacuum pump systems often include motor overload protection to safeguard the pump's motor from excessive current or power draw. Motor overload protection can be implemented through various means, such as thermal sensors or current monitoring devices. If the motor draws more current than normal or operates at a high temperature, the system can activate protective measures, such as shutting down the motor or triggering alarms.
4. Electrical Safety Measures:
Scroll vacuum pump systems adhere to electrical safety standards and incorporate safety measures to protect against electrical hazards. These can include features like ground fault circuit interrupters (GFCIs), circuit breakers, or surge protection devices to mitigate the risk of electric shocks, short circuits, or electrical fires.
5. Emergency Stop Buttons:
Many scroll vacuum pump systems feature emergency stop buttons or switches that allow users to immediately halt pump operation in case of emergencies or safety concerns. Activating the emergency stop button can quickly shut down the pump and associated equipment, preventing further risks or damages.
6. System Monitoring and Alarms:
Scroll vacuum pump systems may include monitoring capabilities and alarms to provide real-time information about the pump's performance and status. This can include monitoring parameters like vacuum level, temperature, pressure, and motor status. Alarms can be triggered if any of these parameters exceed safe operating limits, alerting users to potential issues or malfunctions.
7. Enclosure and Noise Reduction:
Scroll vacuum pump systems often feature enclosures or noise reduction measures to minimize noise levels during operation. These enclosures help create a quieter working environment and reduce noise pollution, contributing to workplace safety and comfort.
It is important to consult the manufacturer's specifications and guidelines for specific scroll vacuum pump systems to understand the safety features they incorporate. Manufacturers can provide detailed information on the safety mechanisms, recommended operating procedures, and any additional safety considerations specific to their systems.
By utilizing scroll vacuum pump systems with integrated safety features, users can ensure the protection of personnel, equipment, and the surrounding environment while achieving efficient and reliable vacuum performance.
Are there oil-free options available for scroll vacuum pumps?
Yes, there are oil-free options available for scroll vacuum pumps. Here's a detailed explanation:
Traditionally, scroll vacuum pumps have utilized oil lubrication for sealing and bearing purposes. However, due to the increasing demand for oil-free vacuum solutions in various industries, manufacturers have developed oil-free versions of scroll vacuum pumps.
Oil-Free Scroll Vacuum Pumps:
Oil-free scroll vacuum pumps are designed to operate without the need for oil lubrication. Instead of relying on oil to create a seal and reduce internal friction, these pumps utilize dry-running mechanisms and specialized sealing materials to achieve reliable and efficient vacuum performance.
Advantages of Oil-Free Scroll Vacuum Pumps:
Oil-free scroll vacuum pumps offer several advantages, including:
a. Elimination of Oil Contamination: By eliminating oil lubrication, oil-free scroll vacuum pumps prevent the risk of oil contamination in the pumped gases or the surrounding environment. This is particularly important in applications where oil vapor or particles can adversely affect the process or product being handled.
b. Reduced Maintenance: Oil-free scroll vacuum pumps generally require less maintenance compared to their oil-lubricated counterparts. Without the need for oil changes, oil monitoring, or oil-related maintenance tasks, the overall maintenance requirements are simplified.
c. Environmentally Friendly: Oil-free scroll vacuum pumps are considered more environmentally friendly as they eliminate the need for oil disposal or recycling. They help reduce the carbon footprint and minimize the impact on the ecosystem.
d. Cost Savings: While the initial purchase cost of oil-free scroll vacuum pumps may be higher compared to oil-lubricated models, the long-term cost savings can be significant. The elimination of oil-related maintenance, reduced downtime, and improved process efficiency can result in overall cost savings.
Applications of Oil-Free Scroll Vacuum Pumps:
Oil-free scroll vacuum pumps find applications in various industries and processes, including:
- Semiconductor manufacturing - Analytical instruments - Pharmaceuticals and biotechnology - Food and beverage packaging - Electronics assembly - Research laboratories - Environmental monitoring - Vacuum drying - Leak detection - and more.
It's important to note that while oil-free scroll vacuum pumps offer numerous advantages, their performance specifications, such as pumping speed and ultimate vacuum levels, may differ from oil-lubricated scroll pumps. It's essential to select the appropriate pump based on the specific application requirements and consult the manufacturer's guidelines for proper operation and maintenance.
Can scroll vacuum pumps achieve high vacuum levels, and what is their ultimate vacuum limit?
Scroll vacuum pumps are capable of achieving high vacuum levels, although their ultimate vacuum limit may vary depending on various factors. Here's a detailed explanation:
1. High Vacuum Levels:
Scroll vacuum pumps are known for their ability to achieve relatively high vacuum levels. They are capable of reaching vacuum levels in the range of 10-2 to 10-3 millibar (mbar) or lower, depending on the specific model and operating conditions. These vacuum levels are suitable for a wide range of applications across industries, including laboratory research, semiconductor manufacturing, analytical instruments, and more.
2. Ultimate Vacuum Limit:
The ultimate vacuum limit of scroll vacuum pumps is typically determined by several factors:
a. Pump Design and Materials:
The design of the scroll vacuum pump, including the specific materials used, can influence its ultimate vacuum limit. Factors such as the quality of the sealing surfaces and the tightness of the scroll interaction play a role in determining the achievable vacuum levels. The choice of materials for the scrolls, such as stainless steel or coated surfaces, can also impact the pump's ultimate vacuum limit.
b. Pumping Speed and Gas Load:
The pumping speed of a scroll vacuum pump, which is the volume of gas it can evacuate per unit of time, affects its ability to reach high vacuum levels. If the gas load exceeds the pump's capacity, it may struggle to maintain low pressures. In applications with high gas loads, it may be necessary to consider additional pumping stages or complementary vacuum systems to achieve the desired vacuum levels.
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Can scroll vacuum pumps achieve high vacuum levels, and what is their ultimate vacuum limit?
Scroll vacuum pumps are capable of achieving high vacuum levels, although their ultimate vacuum limit may vary depending on various factors. Here's a detailed explanation:
1. High Vacuum Levels:
Scroll vacuum pumps are known for their ability to achieve relatively high vacuum levels. They are capable of reaching vacuum levels in the range of 10-2 to 10-3 millibar (mbar) or lower, depending on the specific model and operating conditions. These vacuum levels are suitable for a wide range of applications across industries, including laboratory research, semiconductor manufacturing, analytical instruments, and more.
2. Ultimate Vacuum Limit:
The ultimate vacuum limit of scroll vacuum pumps is typically determined by several factors:
a. Pump Design and Materials:
The design of the scroll vacuum pump, including the specific materials used, can influence its ultimate vacuum limit. Factors such as the quality of the sealing surfaces and the tightness of the scroll interaction play a role in determining the achievable vacuum levels. The choice of materials for the scrolls, such as stainless steel or coated surfaces, can also impact the pump's ultimate vacuum limit.
b. Pumping Speed and Gas Load:
The pumping speed of a scroll vacuum pump, which is the volume of gas it can evacuate per unit of time, affects its ability to reach high vacuum levels. If the gas load exceeds the pump's capacity, it may struggle to maintain low pressures. In applications with high gas loads, it may be necessary to consider additional pumping stages or complementary vacuum systems to achieve the desired vacuum levels.
c. System Configuration:
The overall configuration of the vacuum system can also impact the ultimate vacuum limit of a scroll pump. Factors such as the presence of leaks, the size and design of the vacuum chamber, and the compatibility of the pump with other components in the system can affect the achievable vacuum levels. It's important to optimize the system configuration to maximize the pump's performance and ultimate vacuum limit.
While scroll vacuum pumps can achieve high vacuum levels, it's important to note that they may not be suitable for ultra-high vacuum (UHV) applications that require vacuum levels in the range of 10-7 mbar or lower. For such demanding applications, other types of pumps, such as turbomolecular pumps or cryogenic pumps, are typically used.
In summary, scroll vacuum pumps are capable of achieving high vacuum levels in the range of 10-2 to 10-3 mbar or lower. The ultimate vacuum limit of a scroll pump is influenced by factors such as pump design and materials, pumping speed and gas load, and system configuration. Understanding these factors and optimizing the pump's operation and system configuration can help maximize its performance and achieve the desired vacuum levels for specific applications.
editor by CX 2024-04-10