PPR ball valve : 1,Certificates:CE,ISO 9001 2,OEM accept 3,Made in germany technical 4,7 days delivery PPR ball valve:Application:1.Hot & cold water facilities for civil buildings, dwelling house,swimming pools,air port,hospital, hotel, office, school, marine facilities, etc.Industrial pipe systems of food, chemical as well as electron, for instance.deionized water2.Drinking water supply3.Air ...