Best steady ppr pipe and fitting of concealed valve for export Green, gray,blue Standard:DIN 8077/8078 ISO9001 ... :2008 Best steady ppr pipe and fitting of concealed valve for export1, raw material: ppr and brass2, pressure rating:2.5mpa3, ... under normal conditions, 20 degreeProducts specifications and details :1, Spec:D20,D25,D322, ISO9001:2000 quality system certification 4.Competitive price, ...