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  1. newbieciv

    How do I calculate the time to fill a pipe with an air compressor?

    For surely not a school assignment. It is for a job we are bidding in southern california, I just don't know what I need to do. I used the ideal gas law assuming that everything but pressure and volume stay constant, and then manipulating the formula to say that volume (2) is equal to one...
  2. newbieciv

    How do I calculate the time to fill a pipe with an air compressor?

    Hello, I would greatly appreciate some help on a problem proposed to me today. I need to figure out how long it will take to fill 1 mile (5280 ft) of 6" ID pipe to pressure test using a 425 CFM @ 350 psi compressor. The pipe needs to go from 0 psig to 100 psig at 80 deg F. Then using the...

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