Flanged cast iron fittings are used in agricultural facilities and water and sewage industries to connect irrigation and water supply lines. Zob Rizan Hamedan company supplies all kinds of cast iron fittings according to the national standard INSO 3732: 1392 with the approval of the General Directorate of Standards as follows in its product collection. Cast iron fittings (gray, ductile) such as tees, knees, conversions (flange, bolted gland, Tyton, navel flange and simple class) Kevlar, Silent, June Gibolt (asbestos and polyethylene) service clamp (belt ) Iraniti and two belts, light and heavy valves for sewage and sewage branching, water control valve and other cast iron fittings in different classes in pressures of PN10 and PN16 in diameters from 80 to 1000.