Round hatch sizes 8", 12", and 15" are ideal for quick-acting access into shaft alleys for fish sorting, void inspection, ventilation and access to valving, piping, wiring, controls, and other areas where seaworthy security is required.
18", 20" and 24" round clear opening manhole-sized access hatches are ideal for entry and escape of all types, especially when a person must be able to pass through the opening. Escape route applications, storage access, lazarette access, fish sorting, and many more applications are common installations. An optional escape handle can be attached to the underside of the 18" and larger hatches if required.
Utilizes a sealing pressure requirement formula which ensures proper sealing tension with the required number of dogs
Stainless steel handle and round bar for trouble-free operation
Sizes reflect size of opening