Hull valve

The utility model relates to a marine valves technical field, especially, relate to a hull valve, this hull valve includes the valve body, the valve clack, balanced chamber piston, the valve rod, valve gap and hydraulic drive mechanism, the valve body is hollow structure, the valve clack all sets up the inside at the valve body with balanced chamber piston, dummy piston is located the cylindricalcavity in valve body middle part, the one end of valve rod stretches into the valve body and is connected with the valve clack, the one end at the valve body is established to the valve gap lid, hydraulic drive mechanism is connected with the valve rod, wherein, through hydraulic drive mechanism drive valve rod in order to realize the opening with closed of primary seal face between valve body andthe valve clack, thereby hull valve's remote operation has been realized, need not artifical on -the -spotly to hull valve manually operation, operating personnel's working strength has been reduced. 本实用新型涉及船用阀门技术领域，尤其涉及种舷侧阀，