... various pipelines to convey gas,water,and oil. Hot Dipped Galvanized Malleable Iron Pipe Fitting used plumbing materials :1.standard: ... galv, black 4.TUV,UL5. Brand: O Product Itemcast iron pipe fitting : elbows, tees, sockets, bends, nipples, unions, crosses, ... , crosses over, round caps, etc.Size18"-6"Thread StandardBS ANSI & DINFinishBlack, Eclectic Galvanized, Hot Dipped Galvanized, all be ...