... : socket fusion joint, electro fusion joint or transition joint 5)Certification: ISO9001, ISO14001,6)Applications: Cold or hot water supply, heating ... 50 years under normal conditions8)Recycled and Environment-friendly PP-R Water Supply Pipe :PN 1.25MPa PN 1.6MPa PN2 ... 110X18.3160X14.6 160X17.8 160X21.9 / 20-160mm pp-r pipes