Valves in Ductile Iron, Cast Steel & Stainless Steel
27
2025
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10
Structure of Umbrella Gear Gate Valve
Author:
The two ends of the branch pipe are welded together, and the opening and closing of the valve are controlled by a gear transmission device.
The two ends of the branch pipe are welded together, and the opening and closing of the valve are controlled by a gear transmission device.The valve closure is mainly achieved through the bevel gear mechanism on the valve cover and the adjustable double single gate, universal top, clamp ring, etc., which are guided by the valve body for lifting and lowering movement.The sealing surface of the valve seat is welded with cobalt based hard alloy, which has good wear resistance and abrasion resistance.The surface of the valve stem is treated with corrosion-resistant nitriding, which has good corrosion resistance and abrasion resistance.The pressure self tightening sealing mechanism achieves sealing by compressing the wedge-shaped sealing ring with medium pressure. The higher the medium pressure, the better the sealing performance.
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