... '' 2 BS,ANSI,DIN Thread Standard 3 Black,Galvanized 4 ISO,SGS,CIQ Cast Iron Pipe Fitting Hydraulic Quick water Coupler size: ... 1/8'-6'Material: malleable iron Finish: galvanized,blackAs ... unions, crosses, flanges, plugs, backnuts, crosses over, round caps etc. Cast Iron Pipe Fitting Hydraulic Quick Coupler, size: 1/8'-6' Product ...