Forged steel, gate valves, manufacturer, factory, presyo, Pressure sealed bonnet, API 602, Solid Wedge, BW, SW, NPT, Flange, reduce bore, full bore, ang mga materyales ay may A105(N), F304(L), F316( L), F11, F22, F51, F347, F321, F51, Alloy 20, Monel, Inconel, Hastelloy, Aluminum Bronze at iba pang espesyal na haluang metal.Presyon mula Class 150LB hanggang 800LB hanggang 2500LB, china.