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    SWATISC's Avatar
    SWATISC Posts: 1, Reputation: 1
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    #1

    Oct 16, 2013, 03:44 AM
    In reverse return piping in chiller chw supply & return line there is a butterfly val
    in reverse return piping in chiller chw supply & return line there is a butterfly valve bet end of that pipe why? What is that work or function
    Grady White's Avatar
    Grady White Posts: 1,417, Reputation: 59
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    #2

    Oct 17, 2013, 07:52 PM
    Butterfly valves are normally used for balancing.
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