1.Material: Malleable Casting Iron 2.Size:1/8"- 6" 3.Usage: Widely ... water,and oil. O Brand Two Times Galvanized Malleable Iron Pipe Fitting union gasket :1.standard: EN10242,ISO7-1 ,NPT ... bake galv, black 4.TUV,UL5. Brand: O Product Itemcast iron pipe fitting : elbows, tees, sockets, bends, nipples, unions, crosses, ... , oil, air O Brand Two Times Galvanized Malleable Iron Pipe Fitting union gasket