... Standard:DIN 8077/8078 OEM acceptable 2011 Best Steady ppr check valve green With German Standard1, raw material: ppr and brass2, ... and impact8, resistance to all kinds of chemical liquid9, high temperature reisitance ,the maximum water temperature up to 95 degree10 ... Spec:D20,D25,D32 2, ISO9001:2000 quality system certification 4.Competitive price, superior quality, best service 5.We have a strong ...