Which Materials is used in check valve?

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  • 4 weeks ago

    A check valve can be made of many different materials. The most popular is rubber both natural and synthetic. Some are plastics, metals and/or  glass. The material of the valve must be impervious to the effects of the medium being checked. 

  • 4 weeks ago

    It depends very much on the use. They can be made of glass for some laboratory applications. For domestic applications they can be made of plastic, brass, bronze or cast iron. In industry they are made from brass, bronze, cast iron, mild steel, stainless steel, plastic, titanium and in one case I know of steel with gold plating. Internally you will find some with nylon, elastomer or teflon seats. 

  • Anonymous
    4 weeks ago

    usually the materials are carbon steel, cast steel, and stainless steel

  • 4 weeks ago

    you have asked this 3 times. You will not get a definitive answer without a lot more details. 

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  • Jim
    Lv 7
    4 weeks ago

    Large water pipes use iron/steel

    If the liquid is acid, probably something like Teflon

    In blood vessels, you might use human or animal skin.

    So it's size and liquid driven.

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