Watertight sliding doors

Bulkhead Watertight Sliding doors

HYDROSTER started to provide WT sliding door for offshore industry in 2004. Initially we provided WT door for AHTS and PSV. Together with product development HYDROSTER has started to provide WT door for offshore rigs and well intervention vessels in 2012. Our offshore applications meet all NORSOK standards as well as other leading offshore class criteria. Solid and extremely strong construction allows for 50 metres water load while proved fire tests certify our door with A0 and A60 class. Sophisticated control systems give option to control either all WT door at time or in any separated part of rigs construction, such as pontoons, columns, decks. Hard mimic panels assure control even during control software failure. Double power supply, connection to VDR/VMS, optional connection to UPS all these features make our

WT door reliable element of any offshore objects’ safety.

Main advantages:

• customized design at individual yard request
• simple and resistant construction
• safe operational & failure free
• max load up to 50m of water column
• fire resistance A0 and A60          

Compliance to NORSOK and to all major offshore class rules                

Additional Features:

• clear opening height x width up to 2200x2000mm
• door with low sill at special request
• interface to VDR (Voyage Data Recorder) and VMS (Vessel Management System) with NMEA0183 signal standard
• signalling screen panel
• wall mounted control block
• NORSOK standard
• safety strip at request
• EX class equipment available     

Drive and control system enabling:

• remote closing door from central room
• local closing and opening door
• local closing and opening door by hand pump with both sides of bulkhead
• closing, opening, closing by accumulator energy (optionally)
• closing by hand pump installed over bulkhead deck (optionally)

Inquaring - an inquiry should be accompanied with data:

• doors quantity
• height and width of door in the light of frame
• direction of closing
• design pressure of water column loading the door
• supply voltage
• classification Society
• interfaces to VDR, VMS