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  1. MonikaSM

    HDPE pipe branch connecting to CI pipe

    I forgot to mention that I have seen the guidance for restraining a PE pipe when connecting in line. But this is a tee connection and therefore there is a thrust force, which doesn't exist when connecting in line.
  2. MonikaSM

    HDPE pipe branch connecting to CI pipe

    Hello, thanks for the replies. I saw the thread quoted above, but it doesn't quite give me the answer. The existing pipe is CI, with unrestrained spigot and socket joints, and the new HDPE pipe will come at 90 degrees to connect. A new DI tee will be provided in line on the existing pipe. The...
  3. MonikaSM

    HDPE pipe branch connecting to CI pipe

    Hello, I am designing a new 125 OD SDR11 pipe connecting via a tee to an existing 150 dia CI pipe. The test pressure will be 10 bar. The pipe supplies potable water from a borehole site, so temperature variations would be small - say 5 degrees C. I have a problem understanding what will be the...

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