Articles, products and parts of marine machinery: aluminium-magnesium alloy water-tight ship's doors

Purpose: closing of openings on ships and watercrafts, as well as to prevent the spread of fire and combustion products from the room or compartment with the fire centre to other rooms.
Type: water-gas-tight, water-gas-tight fireproof A-0, A-15, A-30, A-60;
Types: single-leaf, double-leaf; external opening, blind, with round, with rectangular porthole; with lever, with individual closing; without sealing and without insulation, with sealing and without insulation; with sealing and with insulation; with radius corners; without rounding in corners.
Fastening method: by bolts, welding.
Climatic version OM, category I according to GOST 15150: ambient temperature from minus 40? to plus 45?.
Main material: aluminium alloy