Flexibility - PEX-A is the most flexible, allowing for it to be fastened by cold expansion, which allows the end to be fluted prior to inserting the fitting.PEX B is not expandable and you should never expand the end of a PEX-B pipe. Can you heat PEX to expand? Three types of PEX...
Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications8 ASTM F493-97, Standard Specification for Solvent Cements for Chlorinated Poly(Vinyl Chloride) (CPVC) Plastic Pipe and Fittings8 ANSI/AWWA B100-96, AWWA Standard for Filtering Material6 ANSI/AWWA...