... with the points, S4, S5 for cold water pipe, series of normal use tube for more than 40 °C the fluid ... temperature, S2 to S3.2 series for normal use hot water pipe, tube, the fluid temperature more than 70 °C, for the ... conveying, discharge; Pure water, drinking water pipe; Beverage, liquid drug production conveying system; Compressed air tube; Other industrial, agricultural tube. PPR hot and cold ...