Plastics pipes and fittings -- Crosslinked polyethylene (PEX) pipe systems for the conveyance of gaseous fuels -- Metric series -- Specifications -- Part 4: System design and installation guidelines— 24 стр.
Plastics pipes and fittings. Crosslinked polyethylene (PE-X) pipe systems for the conveyance of gaseous fuels. Metric series. Specifications. Fittings for mechanical jointing (including PE-X/metal transitions)— 28 стр.