This specifcation covers PEX line pipe used for the production and transportation of oil, gas, and nonpotable water. This specifcation 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 specifcation is listed as follows:
a) PEX line pipe;
b) fttings;
c) metallic fange couplers for feld installations and PEX face fanges used as internal diameter adapters.