... ,2.0Mpa,2.5Mpa Material: ppr-al Top quality large plastic pipe with ISO9001:2008 quality standard1, hygienic and poison free: this product ... operating pressure, the transported water temperature is 95 degree.3, anti-corrosion and filth proof: the concern of pipeline filth, ... internal and external and external wall is very smooth, the resistance of running water is little with soft color and beautiful ...