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2. Aqua-Lung - Wikipedia

   en.wikipedia.org/wiki/Aqua-Lung

   Classic twin-hose Cousteau-type aqualung. Aqua-Lung [1] was the first open-circuit, self-contained underwater breathing apparatus (or "scuba") to achieve worldwide popularity and commercial success. This class of equipment is now commonly referred to as a twin-hose diving regulator, [2] or demand valve.

3. Vintage scuba - Wikipedia

   en.wikipedia.org/wiki/Vintage_scuba

   Draeger twin hose two stage demand regulator. The most striking and well recognized example of vintage scuba gear is the twin-hose or double hose regulator, a popular style of regulator in the early years of scuba diving, since Jacques-Yves Cousteau and Emile Gagnan pioneered the first such design, the C45 Scaphandre Autonome, which was marketed in the USA (along with a tank and harness) as ...

4. Submarine Products - Wikipedia

   en.wikipedia.org/wiki/Submarine_Products

   The Aquarius product range initially comprises the single-hose regulator and a diver’s torch. [30] 1973. July: Submarine Products launches the Aquarius Mark II single-hose regulator with adjustable neckband, exhaust deflector and the option of lightweight steel or aluminium cylinders and a convertible backpack harness to complete the scuba set.

5. Mechanism of diving regulators - Wikipedia

   en.wikipedia.org/wiki/Mechanism_of_diving_regulators

   A Dräger two-stage twin-hose regulator Beuchat "Souplair" single stage twin hose regulator Twin 7l cylinders with Draeger harness, valves, manifold and regulator from c. 1965 Duckbill exhaust valve for Draeger twin hose regulator. The "twin", "double" or "two" hose configuration of scuba demand valve was the first in general use. [16]

6. Metal hose - Wikipedia

   en.wikipedia.org/wiki/Metal_hose

   Stripwound hoses are frequently used as flexible temperature-resistant and ageing-resistant elements in exhaust equipment, especially in trucks and special vehicles such as tractors. They are also used as protective hoses for light conductors and electrical lines in fibre optics , or in measuring and control equipment.

7. List of components of oil drilling rigs - Wikipedia

   en.wikipedia.org/wiki/List_of_components_of_oil...

   Kelly hose (#9) is a flexible, high pressure hose that connects the standpipe to the kelly (or more specifically to the gooseneck on the swivel above the kelly) and allows free vertical movement of the kelly, while facilitating the flow of the drilling fluid through the system and down the drill string.