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Thread: Radiator Valves

  1. #1

    Default Radiator Valves

    Hi all!

    Can you please discribe the difference between a steam radiator valve and one that controls the flow in a a hot water system. And whether they are interchangeable.

    Thanks!

    Ed

  2. #2
    Moderator & Master Plumber hj's Avatar
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    Default vqlves

    A steam valve is a globe valve with a fiber disc washer and it closes by turning the handle until it stops. It turns off the steam completely or you would have condensation problems in the radiator. A hot water valve turns off by rotating a cylinder to close the opening. The cylinder has a small hole in it to allow a minimal amount of water to flow through the radiator. A steam valve can be used for hot water, but a hot water valve cannot be used for steam.

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