Swingcheck valve is mainly used for unidirectional flow of medium on the pipeline,generally installed horizontally. The valve is opened or closed by the flow ofthe medium, which is suitable for the cleaning medium, not suitable for themedium with large solids and viscosity. Full bore, strong flow capacity. Discof convex design with better performance and the arc design can reduce pressureloss and turbulent medium. Optionalsoft seal and metal seal according to different working conditions.