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Regulators are fitted to air cylinders and act to reduce pressure and supply air as the diver breathes. There are one- and two-stage regulators, with one-stage regulators used for shorter dives.
Single-stage regulators use one step to reduce the pressure in the cylinder to a usable level. Two-stage regulators have a two-step process. The dual-stage regulators are considered superior because they provide more precise pressure control.
Here is how the two-stage process works :
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Jolyn Wells-Moran |