... Like CE and AENOR3, Material: Random Polypropylene, 58% BRASS, NPT SCREW ALSO4, Pressure Rating: 2.5MPa5, Colors ... Cold or hot water supply, heating system including flooring heating and radiating system, central air conditioning system, industrial liquids transportation9, Advantages: ... lower pressure loss and higher volume than metal pipes14, Long life: more than 50 years under normal conditions15, ...