... pipe fitting moulds. We have made many injection plastic PPR Three Way Ball Valve.Primary Competitive Advantages:1. We are specialized in ... :Depends on various kinds of steelMolding life:>1,000,000shotsNameplastic three way ball valveHardness of Cavity & Core:32-55HRCHardness of Wear Parts ... , ISA, pressure, mpa, structure, surface, handle, standard, min, maximum, tempreture, connection, certification.