... by plug gauge1. Name: Machining Handle,Casting Handle, Gate Valve Handle, Valve Hndle2. We cast the parts by Sand Casting. The materials ... make: Gate Gate Valve StemStem CapScrew HousingGate Valve BodyValve BonnetInsert for mud gate valveHandwheelStandard: ASTM, BF,BS, JIS, UNI, ANSI, ISO etc.We ... available.7) ISO9001:20008) Standard: ASTM, BF,BS, JIS, UNI, ANSI, ISO etc. Sand Casting Gate Valve Handle