... .5MPaColors: white, green, greyCertification: ISO9001:2008, ISO14001:2004 Advantages:High pressure resistance, High rigidity that not easy to change its shape.Low linear ... section's water heating and air heating, high class uptown, high building, stove room, bath center, high pressure water supply. Pressure LevelSpecifications PN1 ... .4 40*6.7 50*8.3 63*10.5 fiber glass reinforced ppr composite pipe