... ):S5( PN=1.25MPa): dn20*2.0, dn25*2.3, dn32*2.9(or as per your request) S4(PN ... imported raw materials and machines produced; 2.purely environmentally-friendly 3. ISO 9001:2000 certified.Features:1. perfect temperature-tolerant, ... of 50 years! 2. quite fexible, be easy to fit 3. easy to bend, while solid, brittle fracture does not ... , safe and reliable 4. light weight, easy to handle EVOH pex pipe