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Re: Mac1957 post# 38924

Saturday, 01/11/2020 9:39:59 AM

Saturday, January 11, 2020 9:39:59 AM

Post# of 56898
Mac, The LDC side of your utility operates at relatively low pressures... ie 30 psi in the mains and 7 psi at the residential customer.

Natural Gas transmission systems like Snam, operate at 600+ psi. You can't use plastics at these pressures and cycles.

While discussing the pressures at the city gate flange (steel) , also ask the LDC guys what happens with hydrogen embrittlement ... and if your LDC is in the hydrogen business?
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