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Atlantic Diving Supply is a reseller of military equipment based in Virginia Beach, Virginia. [1] In 2019; they were the 24th largest federal contractor. [2]According to The Virginian-Pilot, "ADS packages related items into "kits" - cold-weather gear for soldiers or flame-retardant gear for firefighters, for example - to be shipped together."
Delta P Technology – Technical dive computer manufacturer – (VR2) [33] Demone Manufacturing Company – Scuba regulators, cylinder valves. (historical) [3] DESCO, also known as Diving Equipment and Supply Company Inc. – American manufacturer of commercial diving equipment – Surface supplied and scuba equipment, standard diving equipment.
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 ...
Diving reel, dive spool or line holder to store and transport a distance line or line for a surface marker buoy. A dive spool, or line spool, is a short cylindrical tube with a large flange at each end, around which a length of line can be wound, and a line holder is a flat H-shaped frame or piece of rigid sheet material on which a length of ...
At about the same time as Divers Supply began selling the Sport Diver regulator, Australian Ted Eldred designed a two stage single hose regulator which he marketed in Australia as the Porpoise. [16] Virtually all modern open-circuit scuba regulators use the single-hose two-stage design, though Aqualung did market a modernised twin-hose Mistral ...
Sidemount divers are trained to maintain a roughly equal balance of gas supply in each primary cylinder throughout the dive. This ensures that they always retain an equal reserve of gas for donation to an out-of-gas diver; and also helps preserves their stability and lateral trim by maintaining equal buoyancy characteristics in the tanks on ...
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In addition to physiological disadvantages, the use of trimix also has economic and logistic disadvantages. The price of helium increased by over 51% between the years 2000 and 2011. [11] This price increase affects open-circuit divers more than closed-circuit divers due to the larger volume of helium consumed on a typical trimix dive.