... reliable, not only for hot and cold water pipe, also can be used for pure water system.2, heat insulating and energy-saving ... 95 degrees, which can meet the standard of building drainage water system requirements.4 and long service life. Pp-r pipe in ... .N 1.0 ~ 160 MPa pipes, fittings, Used for hot water system PN2.0 MPa experiment.it choose pipe, tube.3 and ...