... Valve moulds 2.material:PPR 3.type:elbow,coupling,tee,three way valves 4.size:1/2", 3 ... We have made many injection plastic PPR Three Way Ball Valve.Primary Competitive Advantages:1. We ... kinds of steelMolding life:>1,000,000shotsNameplastic three way ball valveHardness of Cavity & Core:32-55HRCHardness ... cooling and in cavity plate chain drilling type coolingNumber of minimum:1 setPackage:Wooden case ...