Black Malleable Iron Back Nut
Made of Malleable Iron, this is a Female BSPP back nut (lock nut). Threads are to ISO 7-1 (Taper/parallel). These fittings are suitable for use in the following types of installations sanitary, heating and gas installations, cooling and air conditioning, sprinkler and gas fire extinguishing systems, construction of industrial plants, machine construction, petrol stations, paper production machines, printing machines, commercial vehicle construction. Maximum work pressure is 20 bar upto 120°C.