single seat valve

single seat valve

single seat valve refers to the kind of valve which separates two kinds of mediums by only one seat. In a single seat valve apparatus, a valve box and a valve seat is provided to the cage. A valve body is slidably fitted in the cage. An opening is formed in the valve body in an axial direction of the cage. A valve stem is connected to the valve body and moves it in the axial direction of the cage. A piston ring forms a ring-like shape on an outer surface of the valve body at its uppermost position along an inner surface of the cage to be in contact with it, and blocks a flow of the fluid generated in the control window, in a gap between the inner surface of the cage and the outer surface of the valve body, in the space, and in the opening when the valve body is seated on the valve seat.

single seat valve is widely applied in power, gas, industry chemical, metallurgy, environment protection, light industry, teaching and scientific research areas. Characteristic of this product is stable in production, reliable in movement, with little leakage around valve seat, precise flow and wide adjusting range, etc. With the unique advantage, it will positively obtain top-quality control purpose in extensive application.