... Life: over 50 years under proper use PE/Al/PE Pipe for Hot Water Supply Size(mm)Pressure Rating (MPa) ... 50,1002019530,50,1002519530,50,1003219530,504019524 PE/Al/PE Pipe for Cold Water Supply Size (mm)Pressure Rating(MPa) ... 100251.256030,50,100321.256030,50401.256024 PE/Al/PE Pipe for Gas Supply Size(mm)Pressure Rating(MPa)Max. ... 43530,50,100320.43530,50400.43524 PEX-AL-PEX alumium plastic composite pipe