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AWWA C900 Pipe

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  • AWWA C900 Pipe

    What's the meaning behind this classification? Why not just stick with a sdr or sch to name thickness?
    Buy cheap, buy twice.

  • #2
    Re: AWWA C900 Pipe

    C900 has the same o.d. As ductile iron pipe.

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    • #3
      Re: AWWA C900 Pipe

      why's is it called "C900"? Do the numbers refer to a size or wall thickness?
      Buy cheap, buy twice.

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      • #4
        Re: AWWA C900 Pipe

        C900 is a category of SDR pipe that is the same diameter as ductile iron pipe,
        as wrench said. And that's all it means.
        Pipes of several different SDR ratings can be classified as C900.
        For example:
        SDR/14, class 200
        SDR/18, class 150
        SDR/25, class 100
        are all classified as C900.
        As you probably know, the class signifies working pressure.
        SDR stands for "Standard Dimension Ratio" and refers to a ratio of wall thickness
        to actual pipe O.D. To determine wall thickness you divide the actual O.D. of
        the pipe by the SDR rating.
        For example:
        SDR/18 has an actual O.D of 6.90" (the O.D of 6" D.I. pipe)
        6.90 divided by 18 equals .38"......the thickness of the pipe wall.

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