SDR and PN classes, butt fusion against electrofusion against compression, flanges and stub ends, and how PE meets PPR, steel and existing mains. Referenced to ISO 4427 and EN 12201.
Nothing on the outside of a coil tells you its pressure class. The wall thickness does, and the printed marking is where you read it. Two…
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Three ways exist to join a polyethylene water line, and the choice is usually made by the site rather than the engineer. PE compression fittings win…
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Most leaking flanges on HDPE pipe were tightened correctly. The crew followed the criss-cross pattern, hit the torque figure the engineer specified, pressure-tested the line, and…
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Most datasheets you receive for polyethylene pressure pipe cite ISO 4427 and EN 12201 with no edition year attached. That bare citation is the problem. EN…
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Most of the rework on a buried water line happens at the three places the pipe stops being HDPE. An HDPE pipe connection along the black…
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