Revision of F2159-23a Standard Specification for Plastic Insert Fittings Utilizing a Copper Crimp Ring, or Alternate Stainless Steel Clamps for SDR9 Crosslinked Polyethylene (PEX) Tubing and SDR9 Polyethylene of Raised Temperature (PE-RT) Tubing
Rationale
Revise the standard to allow an additional engineering thermoplastic material as an acceptable material for the fittings made according to the standard.