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should a new 5.5 gas air compressor run hot?

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  • should a new 5.5 gas air compressor run hot?

    I just bought a 5.5 hp gas rigid air compressor. Should the steel braded line coming from the compressor to the tanks get hot after running for only a few minutes? Also the bleeder valve at the tanks gets very hot is this normal? Thanks

  • #2
    Re: should a new 5.5 gas air compressor run hot?

    The hot line from the compressor to the tank is perfectly normal. Basic law of physics. When the heat in a certain volume is compressed into a smaller space, the same amount of heat is still there. Since it is in a smaller space the temperature rises proportionally. Ideal Gas law is
    where p is the absolute pressure, V is the volume of gas, n is the number of moles of gas, and T is thermodynamic temperature. The gas constant has the same units as molar entropy.
    For both sides of this equation to remain = as pressure rises, temperature has to rise as well.

    Credit to Wikipedia.

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    • #3
      Re: should a new 5.5 gas air compressor run hot?

      Good explanation. One word of advice, consider applying a little bit of antiseize to the bleeder valve threads when cool. They have a tendency to tighten up. Good luck.

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      • #4
        Re: should a new 5.5 gas air compressor run hot?

        Two principle things happen as a bi-product of air compression... 1st the compression will cause the heat to rise... and 2nd, any moisture that is in that air will condense inside the tank.

        So, make sure that you drain the consensate from the tank at the end of every use, especially important when the environment is hot and humid.

        CWS

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