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VEVOR 6 CFM 1/2 HP refrigeration vacuum pump,2 Stage Air Vacuum Pump AC Refrigeration Kit,Vacuum Forming Refrigeration Vacuum Packing,1/2 HP HVAC Combo Air Conditioning Refrigeration

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Why doesn't work on R32 system air conditioner?

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Because the product has no explosion-proof function, it is not suitable for flammable and explosive gases.

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Can this pump be run continually for several hours

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It can run continuously for 24 hours.

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Hello. Vacuum pump came with a manual, but pictures are so small I cannot distinguish the details. Is the manual available in PDF somewhere? Thank you

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Please see the manual in the link below for reference：https://send.now/8pdsab1p2s6d

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How many db of noise? Thank you!

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It is about 70DB.

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For the Vevor 6CFM - What is the Ultimate Vacuum is 3x10-1 or 5 PA? Is it 230V? What gases can be use? What is the HP?

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The vacuum degree of the product is 0.3pa, 1/2HP, and the rated voltage is 220v, but 230v can also be used. R12, R22, r134A, etc. can be used, but not suitable for flammable and explosive ones, such as R32, R1234YF.

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