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Thread: Main Shutoff Valve, Good Choice?

  1. #1
    DIY Junior Member inertiacoupling's Avatar
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    Oct 2007
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    Fishers, IN
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    Default Main Shutoff Valve, Good Choice?

    I need to replace the main shutoff valve in my house.
    The city water is hard on faucets and valves.

    I've decided to go with a 1/4 Turn Ball Valve.

    The supply comes in on copper with a sweated on valve.
    It has to be replaced every few years, and I want a more
    long life solution.

    Is the following valve a good choice for a LONG life valve
    that the city water won't eat up in a few years?

    Nibco 3/4" S585–70–66 Full Port 2 piece Bronze valve.
    http://www.nibco.com/assets/TS585706BV.pdf

    The selection guide says it's for "Aggressive Water Applications"
    Design Features:
    Full port for high flow coefficient
    316 stainless steel stem and ball
    Adjustable packing
    Metal to metal end-piece to body seal

  2. #2
    In the Trades Gary Swart's Avatar
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    Default

    Looks like an excellent choice to me. What is it that "eats up" the valves?

  3. #3
    DIY Junior Member inertiacoupling's Avatar
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    This particular house is located in NW Indiana in an area where sulfur water is common.

    Even though the city supposedly "treats" it, the water corrodes faucets leaving a white rough powdery looking corrosion.
    Eventually the faucets begin to "freeze" up at the point they routinely are opened, and faucets that aren't used often enough will freeze up entirely.

    This REALLY has played havoc on main shut off valves through the years.
    In almost no time after being replaced, they begin to get harder to turn, then require a wrench to turn them, then they entirely freeze up.
    NOW that the house is in my hands, I'm gonna spend more on a good 1/4 turn ball valve and get away with the conventional type valves that have been used to no avail before now.

  4. #4
    In the Trades Gary Swart's Avatar
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    I don't know of any valve that would work better than the ball valve with SS innards. You might ask some local plumber what they use/recommend.

  5. #5
    General Engineering Contractor ballvalve's Avatar
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    Be sure its made in the USA, and here are some good ones:

    http://www.grainger.com/Grainger/APO...KT1?Pid=search

    http://www.grainger.com/Grainger/APO...U31?Pid=search

    You could go to a plastic union valve and then change out would be moments: buy a few-


    http://www.grainger.com/Grainger/HAY...JC5?Pid=search

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