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Search results with tag "Polyethylene gas piping"
Butt Fusion Joining Procedure and Qualification Guide ...
www.hdpe.ca• D.O.T. Regulations require that each joint in a gas piping system must be made in accordance with written procedures that have been proved by test or experience to produce strong gastight joints (49 CFR, Part 192 § 192.273(b)) • D.O.T. Regulations require that written procedures for butt fusion joining of polyethylene gas piping must be