... , BS, ISO 4422, Be en1452CertificationISO14001,SGS,CE, ISO9001,NSFJointsSolvent Welding JointsMediaWater/liquid(DIN)VALVEDimension (mm)WorkingPressure(㎏/C㎡)Minimum OpenPressure ... loss and increase flow speed 7) Sound insulation (reduced by 40% compared to galvanized steel pipes) 8) Light color ... is in a position to provide PVC(PVC-U, PVC-C, PVC-M), PE, PVDF, HT-PVC pipes and valves for the standard ...