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: GWSP1000 Oil free scroll vacuum pump
2) Ultimate vacuum pressure: 1 Pa/0.01 mbar (abs.)
3) Max suction capacity: 50Hz-16.6L/s 60Hz-20.0L/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 | ||
| Pumping Speed | 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
Semiconductor industryindustry.stry
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 cleaning and microwave drying machine.
E-beam/Laser melting.
Vacuum degassing.
Vacuum gas substitution.
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.
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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
|
|
|---|
What is the cost range for scroll vacuum pumps, and how does it vary with capacity?
The cost of scroll vacuum pumps can vary depending on various factors, including the pump's capacity, brand, features, and market conditions. Here's a detailed explanation:
Cost Range:
The cost range for scroll vacuum pumps can vary significantly. On the lower end, smaller and lower-capacity scroll pumps can be found in the range of a few hundred to a few thousand dollars. These pumps are typically suitable for applications with lower pumping speed requirements.
As the capacity and pumping speed increase, the cost of scroll vacuum pumps tends to rise. Higher-capacity scroll pumps, designed for industrial or demanding applications, can range from several thousand dollars to tens of thousands of dollars.
Variation with Capacity:
The cost of scroll vacuum pumps generally increases with their capacity or pumping speed. Higher-capacity pumps require more robust construction, larger motors, and enhanced performance, which contribute to their higher cost.
The capacity of scroll vacuum pumps is often measured in terms of the pumping speed, expressed in liters per second (l/s) or cubic meters per hour (m³/h). As a general trend, pumps with higher pumping speeds have higher costs compared to pumps with lower pumping speeds.
However, it's important to note that the relationship between capacity and cost can vary across different manufacturers and models. Some manufacturers may offer pumps with similar capacities but at different price points due to variations in features, quality, or brand reputation.
Additional Cost Factors:
While capacity is a significant factor influencing the cost of scroll vacuum pumps, other factors can also contribute to price variations:
- Brand: Well-established and reputable brands often command higher prices due to their reputation for quality, performance, and customer support.
- Features and Technology: Advanced features, such as integrated control systems, digital interfaces, or remote monitoring capabilities, can increase the cost of scroll pumps compared to basic models.
- Materials and Construction: Pumps constructed from high-quality materials and designed for durability and reliability may have higher costs compared to pumps with more economical construction.
- Market Conditions: Market demand, competition, and economic factors can influence the pricing of scroll vacuum pumps. Prices may fluctuate over time due to market dynamics.
It is recommended to consult with suppliers or manufacturers to obtain specific pricing information for scroll vacuum pumps based on the desired capacity and any additional requirements. They can provide detailed quotations and assist in selecting the most suitable pump within the desired budget.
By considering the capacity, features, and cost factors, users can make informed decisions when choosing scroll vacuum pumps that meet their application requirements and budget constraints.
Do scroll vacuum pumps require water cooling or air cooling systems?
Scroll vacuum pumps can be designed to utilize either water cooling or air cooling systems. Here's a detailed explanation:
Water Cooling Systems:
Some scroll vacuum pumps are equipped with water cooling systems to dissipate the heat generated during operation. Water cooling offers efficient heat removal and helps maintain the pump at optimal operating temperatures. These pumps typically have connections for water inlet and outlet, allowing the circulation of cooling water through the pump's heat exchanger or jacket.
Water cooling systems are commonly used in applications where the pump operates at higher duty cycles or when the ambient temperature is relatively high. They are particularly advantageous when there is a need for continuous or extended operation at elevated vacuum levels, as water cooling provides effective heat dissipation and prevents overheating of the pump.
Air Cooling Systems:
Alternatively, some scroll vacuum pumps utilize air cooling systems. These pumps rely on the circulation of ambient air to dissipate the heat generated during operation. Air cooling systems typically incorporate cooling fins or fans to enhance heat transfer and maintain the pump within the acceptable temperature range.
Air cooling systems are commonly used in applications where water availability or infrastructure is limited. They are suitable for situations where the pump duty cycle is lower, and the operating conditions do not result in excessive heat generation.
Selection Considerations:
When choosing between water cooling and air cooling systems for a scroll vacuum pump, several factors should be considered:
- Duty Cycle: The duty cycle of the pump, which refers to the ratio of operating time to resting time, can influence the heat generation. Higher duty cycles may require water cooling for efficient heat dissipation.
- Operating Environment: The ambient temperature and availability of water resources in the operating environment should be assessed. Water cooling may be preferred in high-temperature environments or when water is readily available.
- Application Requirements: The specific requirements of the application, including desired vacuum level, pumping speed, and operating conditions, should be considered to determine the appropriate cooling system.
- Maintenance and Infrastructure: The availability of maintenance resources, infrastructure for water circulation, and any specific facility requirements should be evaluated when selecting the cooling system.
It's essential to consult the manufacturer's specifications and guidelines to determine the recommended cooling system for a particular scroll vacuum pump model. This ensures optimal performance, longevity, and reliability of the pump in the intended application.
How does the scroll design contribute to the reliability of these pumps?
The scroll design of vacuum pumps plays a significant role in enhancing their reliability. Here's an explanation of how the scroll design contributes to the reliability of these pumps:
1. Sealed System:
The scroll design features two interleaved spiral scrolls, one fixed and one orbiting. The interaction between these scrolls creates a series of crescent-shaped chambers. As the orbiting scroll moves, these chambers decrease in size, compressing and expelling gases. The tightly sealed system of the scroll design ensures minimal leakage, preventing the entry of contaminants and maintaining a consistent vacuum level. This sealed system enhances the reliability of scroll vacuum pumps by minimizing the risk of performance degradation and ensuring continuous and efficient operation.
2. Oil-Free Operation:
One of the key advantages of scroll vacuum pumps is their oil-free operation. Unlike other types of pumps that rely on oil lubrication, scroll pumps utilize a dry mechanism. The scroll design eliminates the need for oil lubrication by using non-contacting, self-lubricating materials such as PTFE (polytetrafluoroethylene) or carbon. This eliminates the risk of oil contamination in the pumped gases or the vacuum chamber. The absence of oil also reduces maintenance requirements and enhances the reliability of the pumps by eliminating the potential for oil-related issues, such as oil degradation, leaks, or mechanical failures.
3. Minimal Moving Parts:
The scroll design features a relatively simple construction with minimal moving parts. Compared to other types of pumps, scroll vacuum pumps have fewer components that can wear out or malfunction. This reduces the likelihood of mechanical failures and improves the overall reliability of the pumps. The simplicity of the scroll design also contributes to ease of maintenance and servicing, further enhancing their reliability and uptime.
4. Low Vibration and Noise Levels:
The scroll design of vacuum pumps results in smooth and quiet operation. The absence of reciprocating pistons or vanes, which are common in other pump designs, reduces vibration levels. This lower vibration minimizes the stress on pump components, reducing wear and tear and improving the overall reliability. Additionally, the low noise levels of scroll pumps make them suitable for applications that require a quiet working environment, such as laboratories or medical facilities.
5. Contamination Resistance:
The scroll design of vacuum pumps offers inherent contamination resistance. The absence of oil lubrication eliminates the risk of oil carryover or oil-related contamination. Additionally, the sealed system and non-contacting scroll surfaces reduce the chances of particulate contamination or wear debris generation. This contamination resistance contributes to the long-term reliability of the pumps by minimizing the potential for performance degradation or damage to sensitive components.
In summary, the scroll design of vacuum pumps enhances their reliability through a sealed system, oil-free operation, minimal moving parts, low vibration and noise levels, and contamination resistance. These factors make scroll vacuum pumps a reliable choice for various industrial applications.
editor by Dream 2024-04-29