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Advanced Diving Equipment Company – American manufacturer of surface supplied diving helmets – Swindell free-flow open circuit air helmets. [1]Aeris (dive gear) – American brand of scuba equipment Originally a brand of American Underwater Products, founded in 1998, and merged into a sister-brand, Oceanic, in 2014.
Lightweight demand helmets are rigid structures which fully enclose the head of the diver and supply breathing gas "on demand". The flow of gas from the supply line is activated by inhalation reducing the pressure in the helmet to slightly below ambient, and a diaphragm in the demand valve senses this pressure difference and moves a lever to open the valve to allow breathing gas to flow into ...
The usual meaning of diving helmet is a piece of diving equipment that encases the user's head and delivers breathing gas to the diver, but the term "diving helmet", or "cave diving helmet" may also refer to a safety helmet like a climbing helmet or caving helmet that covers the top and back of the head, but is not sealed. These may be worn ...
Surface-supplied diver at the Monterey Bay Aquarium, Monterey, California US Navy Diver using Kirby Morgan Superlight 37 diving helmet [1]. Surface-supplied diving is a mode of underwater diving using equipment supplied with breathing gas through a diver's umbilical from the surface, either from the shore or from a diving support vessel, sometimes indirectly via a diving bell. [2]
DESCO published a commercial catalogue in 1949 [5] and water sports catalogues in 1949–1954, [6] 1955, [7] 1956 [8] and 1957. [9] DESCO continues in business in Milwaukee. They produce various models of diving helmets, and related diving gear, and represent Viking Dry Suits, Composite Beat Engel DeepSea helmets, and Broco Welding. [10]
The diving equipment market sectors are commercial diving, military diving, recreational and technical scuba, freediving, and snorkelling. with scientific diving using a mix of recreational, technical, and commercial equipment. The commercial diving market is relatively small, but occupational safety issues keep cost of operations high and ...