... .material:PPR 3.type:elbow,coupling,tee,three way valves 4.size:1/2", 3/4", 1 ... We have made many injection plastic PPR Three Way Ball Valve.Primary Competitive Advantages:1. We are ... various kinds of steelMolding life:>1,000,000shotsNameplastic three way ball valveHardness of Cavity & Core:32-55HRCHardness ... mpa, structure, surface, handle, standard, min, maximum, tempreture, connection, certification.