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checkvalves

hr
hr Member Posts: 6,106
in THE MAIN WALL
should have info showing the Cv of the valves. The Cv is the GPMs the valve will flow with a 1 psi drop.

Most often using a check the same size of the pipe is over sized. You should select the check by it's flow rate for noise free installations.

I like the soft seat, low pop pressure checks. Conbraco, Watts, and most other valve manufactures offer this type. And a cone shaped check is better than a flat disc type for hydronic applications.

This is a check from the Grundfos Super Brute circulator. Cone shaped, light spring pressure.

hot rod

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Comments

  • dennisAC
    dennisAC Member Posts: 2
    checkvalves

    Is there any difference in pressure drop or other performance variables between standard swing checks, "Y" pattern and ring checks? thanks ahead of time.
  • Timco
    Timco Member Posts: 3,040


    It takes very little pressure to open a center spring silent check valve. And they work in ALL positions.

    T
    Just a guy running some pipes.
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