Breathing Performance of Regulators

A diving regulator is a device that reduces the high pressure in a diving cylinder to the same pressure as the scuba diver's surroundings. The breathing performance of regulators is a factor in choosing a suitable regulator for the type of diving to be undertaken, as it indicates the ability of a regulator to meet the demands placed on it at depth and under high breathing loads. It is desirable that breathing from a regulator requires low effort even when supplying large amounts of air. It is also recommended that it breathe smoothly without any sudden changes in resistance while inhaling or exhaling. Although these factors may be judged subjectively, it is convenient to have a standard by which the many different types and manufactures of regulators may be compared.

Various breathing machines have been developed and used for assessment of breathing apparatus performance. Ansti Test Systems developed a turnkey system that measures the inhalation and exhalation effort in using a regulator. Publishing results of the performance of regulators in the ANSTI test machine has resulted in performance improvements.

Read more about Breathing Performance Of RegulatorsEU Standard, US Military

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Breathing Performance Of Regulators - US Military
... In the United States Military, scuba regulators must adhere to performance specifications as outlined by the Mil-R-24169B, which was based on equipment performance until ...

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