Forged steel, gate valves, manufacturer, factory, price, Pressure sealed bonnet, API 602, Solid Wedge, BW, SW, NPT, Flange, reduce bore, full bore, ang mga materyales adunay A105(N), F304(L), F316( L), F11, F22, F51, F347, F321, F51, Alloy 20, Monel, Inconel, Hastelloy, Aluminum Bronze ug uban pang espesyal nga haluang metal. Pressure gikan sa Klase 150LB hangtod 800LB hangtod 2500LB, china.