Cast Iron fitting socket ( Coupling) 1.1/8''-6'' 2 BS,ANSI,DIN Thread Standard 3 Black,Galvanized 4 ISO,SGS,CIQ Cast Iron Pipe Fitting ... crosses over, round caps etc. Cast Iron Pipe Fitting Hydraulic Quick Coupler, size: 1/8'-6' Product ItemMalleable iron pipe fittings: elbows, tees, ... B16.39 / B1.20.1 We can also produce malleable iron pipe fittings according to the drawing samples from customers. ...