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Scuba Regulator

Scuba Regulator is a pressure regulator used in a scuba set that supplies the diver with breathing gas at ambient pressure from one or more diving cylinders. The gas may be air or one of a variety of specially blended breathing gases. A gas pressure regulator has one or more valves in series, which let the gas out of a gas cylinder in a controlled way, lowering air pressure at each stage.

The terms Scuba Regulator and demand valve are often used interchangeably. But a demand valve is the part of a regulator that delivers gas to the diver's mouth in a regulator with more than one stage. Without these you cannot dive too deep.

Scuba Regulators are very important, because they are your apparatus to breathe. When the diver tries to breathe in, the inhalation lowers the pressure inside the chamber, which moves the diaphragm inwards operating a system of levers. This operates against the closing spring and lifts the valve off its seat, opening the valve and releasing gas into the chamber.

 

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