Ship's internal permeable, fire-retaining single-leaf doors (type B-15) are used in fire-retaining hull structures of class B-15 and are intended for ships, vessels, watercraft of an unlimited navigation area and facilities for the development of oil and gas fields.
The door structure consists of a canvas and a frame and is equipped with three hinges, as well as a door lock and a handle.
Possible lock options:
- latch handle and lock with cylinder "key/wrapper"
- latch handle and lock with key/key cylinder
- latch handle and lock with "free-occupied" indicator
- latch handle without lock
The doors can be made both blind and in the following modification (as well as with various combinations of these components):
- emergency panel
- ventilation grate
- window pane
The door leaf consists of galvanized steel sheets (stainless steel is possible), between which a moisture-resistant mineral wool filler of marine design (density 150 kg/m3) is laid.
The doors withstand static and dynamic influences, checking the action of moving elements in accordance with the requirements of GOST R 58685.
Additionally, the door can be equipped with: a window-table with a slot for letters, an electromechanical lock, protective plates, door shielding, etc.
In addition, doors can have: a master key system, a door closer, a buffer with a holder, a storm hook, a door lock in the open position, a device for sealing the door, an electromagnetic lock.
