... Professional manufacturer New PPR service pipe, S2.5, S3.2 have S2, S4, S5 of pipe pressure level 5 series. Nominal diameter from ... pipes with the points, S4, S5 for cold water pipe, series of normal use tube for more than 40 °C the ... , drinking water pipe; Beverage, liquid drug production conveying system; Compressed air tube; Other industrial, agricultural tube. PPR hot and cold water pipe series