API Specification 15PX Second Edition PDF
This specification covers PEX line pipe used for the production and transportation of oil, gas, and nonpotable water. This specification does not cover pipe for chlorinated water service. The piping is intended for use in new construction, structural pressure-rated liner, line extension, and repair of both aboveground and buried-pipe applications. Equipment covered by this specification is listed as follows:
a) PEX line pipe;
b) fittings;
c) metallic flange couplers for field installations and PEX face flanges used as internal diameter adapters.
