... 2008 Best steady ppr pipe and fitting of concealed valve for export1, raw material: ppr and brass2, pressure rating:2.5mpa3 ... , good resistance to shock and impact8, resistance to all kinds of chemical liquid9, high temperature reisitance ,the maximum ... normal conditions, 20 degreeProducts specifications and details :1, Spec:D20,D25,D322, ISO9001:2000 quality system certification 4.Competitive price ...