The watertight ship door is designed mainly for mounting in walls of ship’s superstructures.The door can be made of steel, aluminum or stainless steel. Pins of closures are settled in bronze sleeves. Hinge pins are made from stainless steel. Hinges have holes for M10x1 grease nipples acc.to DIN 3404 or DIN 71412 M10x1. The door is sealed up with a 40×20 rubber packing cord.