Cylindrical locknut 290 series

cast ironthreaded

Applications : water, drinking water, gas, steam, non-corrosive liquids, and gases. HVAC systems. Design, manufacturing and control : - Fittings are produced according to EN 10242 and ISO 49 standards. - Material grade : EN-GJMW-400-5 according to EN 1562. - Finishing is black (th. 70µm). Both are protected against corrosion to preserve fittings. - All threaded connections comply with ISO 7-1 standard (BSPT), with tapered male end (R) and parallel female end (Rp). Swivel nuts for union fittings comply with ISO 228-1 standard (BSPP). - 100% of the fittings are leak tested.