BV/DNV Certificate Hydraulic Steel Marine A60 Sliding Watertight Door

BV/DNV Certificate Hydraulic Steel Marine A60 Sliding Watertight Door
It is watertight door for bulkhead below waterline, which is usually used between engine room and boiler room, or between between engine room and steering gear room, etc. It pass fire test held by Shanghai Far East Fire Testing Center. It meets the regulations for the classification and construction of sea-going steel ships in 1987. This door can be operated manually on both sides of the engine room. Besides, it has three directional operation of hydraulic pipes. This door has functions of water tightness and fire protection.

Features
▪ To apply to watertight gate ways below waterline
▪ To be watertight and fireproof
▪ Manual operation is available
▪ Opening direction: left opening

Component:

Watertight door includes three parts ,as the mechanism, hydraulic and electric.

·Mechanism part includes door frame, door plate, guide roller and cylinder bracket.

·Hydraulic part consists of hydraulic pump unit (including motor, oil pump, electromagnetism change

valve ,throttle, overflow valve, one way valve, level switch, high-low pressure relay, low pressure

relay, level controller etc),oil cylinder, hand pump, hand change valve, accumulator and pressure

gauge etc.

·Electric part consists of start-up alarm box, alarm lamp and bell (combination type),limit switch and button box etc.