... .Thread spec.:G,R,NPT 5.Size:20mm-75mm ppr ball valveFeature:1.Material:Brass(CuZn39Pb3/CuZn39Pb2/CuZn40Pb2, C38500/C38000, C3771 ... : ISO2285. Connection: Hot Welding.6. Size: 20mm, 25mm, 32mm, 40mm, 50mm, 63mm,75mm7. Color: Nickel plated.Advantage:1. Sanitary, non-toxic ... for other industries and agriculture. High quality double-head PPR ball valve