Articles, products and parts of ship's appliances: rectangular ship's portholes and windows of aluminium alloys

Purpose: closing of openings on ships and watercrafts. Designed to provide the necessary view from the premises, as well as light and air access to the rooms where they are installed.
Types: water-gas-tight heavy, light.
Types: blind, casement, universal.
Design features:
Size in light min 300x425mm, max size is not regulated. Thickness of tempered glass from 8mm to 19mm, with electric heating from 14mm to 25mm.
Fastening method: bolts, welding.
Climatic version OM, category I according to GOST 15150: ambient temperature from minus 40? to plus 45?.
Main material: aluminium alloy.