Regulators
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Regulators enable you to use the air inside your scuba tank. It reduces the scuba tank's high pressure air to match the surrounding water pressure, and it delivers air only on demand, when you inhale. It regulates the air flow, hence the name "regulator". Sometimes it is also known as a "demand valve". |
The piece of equipment, referred to the "first stage", called a piston is responsible for reducing the high tank pressure to an intermediate pressure of 7-10 bar/100 to 150 psi above the surrounding water pressure. |
Here are a few examples of regulators: |
Delta
II Sub Zero by
Oceanic
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Gamma
Nitrox by
Oceanic
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Here are a few examples of pistons : |
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DX4
Diaphragm by Oceanic
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SP4
Piston by Oceanic
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for
more information on regulators and pistons, please visit these sites :
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