... moulds 2.material:PPR 3.type:elbow,coupling,tee,three way valves 4.size:1/2", 3/4", 1" 5.standard ... fitting moulds. We have made many injection plastic PPR Three Way Ball Valve.Primary Competitive Advantages:1. We are specialized in ... on various kinds of steelMolding life:>1,000,000shotsNameplastic three way ball valveHardness of Cavity & Core:32-55HRCHardness of Wear Parts ...