9.3cfm 0.026mbar GWSP300 laboratory/industry/freeze dryer/semiconductor dry oil less oil free air cooled scroll vacuum gas pump

Product Description

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, one 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.

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Product Details
FAQQ: 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 your delivery the product to us?A: Since we are a factory with large warehouse, we have abundant products in store, so we can deliver 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.