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2. Diving regulator - Wikipedia

   en.wikipedia.org/wiki/Diving_regulator

   A scuba regulator first stage has one or two high pressure ports upstream of all pressure-reducing valves to monitor the gas pressure remaining in the diving cylinder, provided that the valve is open. The standard connection is an O-ring sealed 7/16" UNF inside thread. [1] There are several types of pressure gauge.

3. List of diving equipment manufacturers - Wikipedia

   en.wikipedia.org/wiki/List_of_diving_equipment...

   Sportsways Inc. – Scuba regulators, cylinder valves. [3] Strumenti Ottici Subacquei (SOS) – Mechanical decompression computer; Subgear, also known as SeemannSub – Scuba regulators. [125] Submarine Products – Former British diving equipment manufacturer and distributor. SUEX – Diver propulsion vehicles, underwater navigation systems. [133]

4. Mechanism of diving regulators - Wikipedia

   en.wikipedia.org/wiki/Mechanism_of_diving_regulators

   Open circuit scuba regulators must also deliver against a variable ambient pressure. They must be robust and reliable, as they are life-support equipment which must function in the relatively hostile seawater environment, and the human interface must be comfortable over periods of several hours. Diving regulators use mechanically operated ...

5. Category:Underwater diving regulators - Wikipedia

   en.wikipedia.org/wiki/Category:Underwater_diving...

   Scuba regulator; Single-hose demand regulator; T. Twin-hose regulator This page was last edited on 14 February 2024, at 16:52 (UTC). Text is available under the ...

6. Aqua-Lung - Wikipedia

   en.wikipedia.org/wiki/Aqua-Lung

   SCUBA became the generic term for any type of self-contained breathing set for diving, and soon the acronym SCUBA became a common noun – "scuba" – all in lower-case. "Scuba" was a trademark for a time – used by Healthways, now known as Scubapro – one of the competitors of U.S. Divers. [citation needed]

7. Underwater breathing apparatus - Wikipedia

   en.wikipedia.org/wiki/Underwater_breathing_apparatus

   Underwater breathing apparatus can be classified as open circuit, semi-closed circuit, (including gas extenders) or closed circuit (including reclaim systems), based on whether any of the exhaled gas is recycled, and as self-contained or remotely supplied (usually surface-supplied, but also possibly from a lock-out submersible or an underwater habitat), depending on where the source of the ...