http://www.zhonghe-valves.com/....desulfurization-valv Desulfurization Valve in stock Desulfurization valve flange is one of the most popular products produced by our company because of its stable and reliable performance. It is widely used in large-scale waste gas treatment, CS2, H2S waste gas recovery projects. The valve body is designed by three-dimensional finite element analysis, so its pressure deformation is good. The valve plate on the valve seat adopts an integral structure, and the special elastic device with multi-stage sealing ring firmly set on the valve body can realize two-way pressure action, which can prevent the val