black/galvanized malleable cast iron pipe fittings: Threaded:ISO7/1, DIN2999, NPT Size:3/8", 1/2" --- ... with or without ribs, Beaded with or without ribs, PlainSpecificationBends, Elbow, Tee, Cross, Socket, Nipple, Plug, Cap, Nut, Union, BushingSurfaceHot- ... for many other fluids1.OursWe are manufacturer of malleable iron pipe fittings with self-management export power.Our products 100% export to ...