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2. Diving regulator - Wikipedia

   en.wikipedia.org/wiki/Diving_regulator

   A diving regulator or underwater diving regulator is a pressure regulator that controls the pressure of breathing gas for underwater diving.The most commonly recognised application is to reduce pressurized breathing gas to ambient pressure and deliver it to the diver, but there are also other types of gas pressure regulator used for diving applications.

3. Doing It Right (scuba diving) - Wikipedia

   en.wikipedia.org/wiki/Doing_It_Right_(scuba_diving)

   Stage regulators are fitted with a submersible pressure gauge on a short (6 inches (150 mm)) hose, bent so the diver can read it easily, and held in place against the cylinder valve or first stage with bungie cord. The regulator hose is octopus length (about 1 metre (39 in)) and when not in use is secured to the cylinder under an elastic band.

4. List of diving hazards and precautions - Wikipedia

   en.wikipedia.org/wiki/List_of_diving_hazards_and...

   Rupture or supply pressure failure of a surface supply hose with simultaneous failure of the non-return valve. [35] Maintenance and pre-dive tests of non-return valves on the helmet or full face mask. Helmet squeeze, with the old standard diving dress. (This can not happen with scuba or where there is no rigid pressure-tight helmet)

5. Testing and inspection of diving cylinders - Wikipedia

   en.wikipedia.org/wiki/Testing_and_inspection_of...

   The recommended practice for valve inspection and maintenance includes inspection, and where applicable correction of threads, cleaning of components, replacement of excessively worn and damaged parts, packing and safety devices, lubrication as applicable with approved lubricants for the gas service, checks for correct operation and sealing at ...

6. Surface-supplied diving equipment - Wikipedia

   en.wikipedia.org/wiki/Surface-supplied_diving...

   The main gas supply for surface-supplied diving can be from high pressure bulk storage cylinders. When the storage cylinders are relatively portable this is known as a scuba replacement system in the commercial diving industry. The application is versatile and can ensure high quality breathing gas in places where atmospheric air is too ...

7. Scuba cylinder valve - Wikipedia

   en.wikipedia.org/wiki/Scuba_cylinder_valve

   The original design 200 bar regulator fitting with five threads will not seal in a 300 bar valve, preventing potential overload, particularly of the high pressure hose and submersible pressure gauge, but the DIN 300 bar regulator inlet fitting with seven threads available on almost all recent regulators is compatible with 200 and 232 bar valves ...

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9. 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 ...