1.Brass:CuZn39Pb3 2.Copper content:54-58% 3.Thread type:ISO,DIN,BS,JIS,ANSI,GB 4.Thread spec.:G, ... R,NPT 5.Size:20mm-75mm ppr ball valveFeature:1.Material:Brass(CuZn39Pb3/CuZn39Pb2/CuZn40Pb2, C38500/C38000, C3771 ... for other industries and agriculture. High quality double-head PPR ball valve