The second stage of a diving regulator is one of the most important elements for the diver.
It is important to make the choice of this second stage of regulator according to its use.
Indeed, a second simple stage will be chosen as a club regulator for example. The choice will be directed to compensated regulators with inspiration resistance and Venturi effect to give the comfort and the ability of the second stage to deliver a sufficient flow if necessary.
For use with pure oxygen or mixtures, the choice will be directed to a second stage regulator specially designed for these uses.
