Marine hydraulic fireproof watertight sliding doors are made of steel and driven by electro-hydraulic devices for use in bulkhead openings below the waterline of various ships and offshore installations. It is usually used between the engine room and the steering engine, or between the engine room and the boiler room, or between the main engine and the auxiliary engine. Our hydraulic fireproof watertight sliding doors support closure from the wheelhouse console operation. It also supports automatic or manual opening and closing on the electric control box near the door. Our product size can be customized according to customer needs.