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GWSPS Dry Scroll Vacuum Pump

1. Features and Benefits
   Clean vacuum, no oil back-diffusion or exhaust
   Can be repeatedly continuous operated between atmospheric and vacuum.
   Low vibration, low noise and high efficiency
   Ease of maintenance
2. Applications
   Vacuum extraction purification
   Vacuum heat treatment
   Gas recovery and recycling

   Vacuum glove
   Vacuum oven/freeze-drying
   Vacuum brake pipe
   Gel drying

3.Technical specifications
Model GWSPS300 GWSPS500 GWSPS900
displacement 50Hz m3/h 17 24 41.6
cfm 10 14.7 24.6
60Hz m3h 20.4 28.8 50.0
cfm 12 17.6 29.5
Ultimate pressure mbar ≤1.0×10-1 ≤5.0×10-2 ≤2
Torr ≤7.5×10-2 ≤3.7×10-2 ≤1.5
micron ≤75 ≤37 ≤1.5×103
psi ≤1.5×10-3 ≤7.0×10-4 ≤2.9×10-2
Noise dB(A) ≤61
Leakage mbar·l/s 1x10-7
Max. Inlet/Exhaust Pressure MPa 0.1/0.13
Ambient Operation Temp. 41~104
Cooling Type Air cooled
Inlet/Exhaust Flange KF25/16 KF40/16
1 phase
Motor Power kW 0.75 0.75 ---
Voltage V 200~230,50Hz;or 110~115V,60Hz ---
Speed rpm 1425(50Hz);1725(60Hz) ---
Power Code North America, Europe, UK/Ireland, India ---
3 phase
Motor Power kW 0.75 0.75 1.50
Voltage V 50 Hz/200~230 or 380~415;60 Hz/200~230 or 460
Speed rpm 50Hz/142;60Hz/1725
Dimensions 1 phase mm 490x265x310 567x315x366 580x315x371
3 phase mm 490x265x310 567x315x371 580x315x376
Packaging Size mm 690x540x570 690x540x570 690x540x570
Net Weight 1 phase kg 32 36 37
3 phase kg 36 41 42
1 phase kg 41 45 46
3 phase kg 45 50 51

4. Safety Precautions
   This vacuum pump is suitable for clean processes only
   Do not pump toxic, explosive, flammable or corrosive substances or substances which contain chemicals, solvents or particles.

5. Application Cases
Oil mist recovery               Pure water manufacturing
6. Q&A
   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 2 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.

7. Accessories
Foreline filter             Exhaust silencer

GWMMK major maintenance kit  GWTSK tip seal kit       OEM tip seals
8. Factory Interior
Dry scroll vacuum pump package for shipment
9. Package & Delivery 
Safe and reliable package
Convenient and quick domestic and international transportation

© Copyright Geowell ICP number: Liao ICP No. 06016259
Tel: +86-24-83685362 Fax: +86-24-23783066 Email:
Add: No. 11, Block 3, Wenhua Rd, Heping Distr, Shenyang, 110004, China
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