Our watertight doors are made of steel, aluminum or stainless steel. The Quick Pin central closed locking mechanism is unique and has an operating force of 1:40.

All our doors are supplied including all door hardware such as seals, hinges and locking’s.
We supply single leaf and double leaf doors, with or without removable middle bar section Doors are manually tested before packaging and delivery.

For more details: http://zjspeedhorse.com/32-Marine-Quick-Action-Anti-pressure-Watertight-Steel-Door.html