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rigid conduit pipe threader

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  • rigid conduit pipe threader

    is there any difference in the dies for RMC compared to gas pipe that plumbers use?
    i know PVC plumbing pipe is OD but is black iron gas pipe measured ID like RMC?

  • #2
    Re: rigid conduit pipe threader

    There is a straight thread and a tapered thread but I believe both currently use a tapered thread. I believe the fittings for electrical are straight while pipe fittings are tapered.

    Mark
    "Somewhere a Village is Missing Twelve Idiots!" - Casey Anthony

    I never lost a cent on the jobs I didn't get!

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    • #3
      Re: rigid conduit pipe threader

      ......just to add, plumbing pipe is measured by it's ID (nominal).

      Mark
      "Somewhere a Village is Missing Twelve Idiots!" - Casey Anthony

      I never lost a cent on the jobs I didn't get!

      Comment


      • #4
        Re: rigid conduit pipe threader

        havent made a cut yet but the dye i got from my plumber fits over RMC easily

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        • #5
          Re: rigid conduit pipe threader

          there is NO difference same dies work

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          • #6
            Re: rigid conduit pipe threader

            Their both N.P.T. - National Pipe Thread. There will be a slight taper on the end of the thread to assist in starting a fitting, but you can actually make a running thread (although illegal By NEC that you can thread a coupling all the way thru. By RMC I believe you mean Rigid Metal Conduit. The normal terminology in the trade is GRC, for Galvanized Metal Conduit.

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