... pipe for hot water 1) ISO standard 2) green or white color 3) size from 20mm to 160mm Application1) Hot and cold water ... )Heating system, include floor-heating, radiator-heating pipeline; 3)Potable water supplying pipeline 4)Central air-conditioning system 5)Irrigation system ... ,25mm,32mm,40mm,50mm,63mm,75mm,90mm,110mm,160mm PPR Pipe