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  1. #1
    Join Date
    Feb 2006
    Location
    Hampshire
    Posts
    61
    Rep Power
    13

    Dual port valves



    Guys,

    I have a site where a lot of units are fitted with dual port valves. However, only one prv is fitted and the second port is blank. The second port is not blocked off, just a plastic cap. I don't see this as good practice though, as that open port could seep refrigerant over time. It can't be blanked off properly, as then you would be capable of isolating the existing prv which is against pressure vessel regs.
    What are your thoughts on this? Seems a cheap skating exercise to me.



  2. #2
    Join Date
    Mar 2001
    Location
    ireland
    Age
    48
    Posts
    1,314
    Rep Power
    34

    Re: Dual port valves

    Did someone remove the 2nd prv's for testing and forgot to refit? Stick new valves in the spare ports, much safer.
    Mostly found in the southern part of this green and pleasant land.

  3. #3
    Join Date
    Feb 2006
    Location
    Hampshire
    Posts
    61
    Rep Power
    13

    Re: Dual port valves

    Quote Originally Posted by al View Post
    Did someone remove the 2nd prv's for testing and forgot to refit? Stick new valves in the spare ports, much safer.
    No buddy,

    Units were built like this. As you say, I'll recommend prv's are placed in the open port.
    I found 2 seeping today!

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