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  1. #1
    Join Date
    Oct 2020

    Vacuum pump configuration

    I recently bought a Chinese CNC machine and it came with two 5.5kw vacuum pumps. Should I run the two pumps in series or parallel with a T-fitting?
    Thanks for any help,

  2. #2
    Join Date
    Dec 2003

    Re: Vacuum pump configuration

    Are the two pumps intended to serve different zones of the table?I would think it would be a bad idea to connect the pumps in series unless the supplier says to do so.I would be reluctant to have any connection between the two pumps in case the vacuum drew air backwards through the idle second pump.The best source of information has to be the company you bought the machine from or the manufacturer of the the pumps.

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