Questions and Answers for Aeris A1 Regulator ´´Demo´´:
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REGULATOR SECOND STAGES ONLY Your regulator is one of the main pieces of scuba equipment that allows you to breathe while underwater. The second stage contains the mouthpiece and purge valve; the purpose of the second stage is to deliver the air into the diver's mouth and to remove any waste (air or other objects) as needed.
Purge Button/Exhaust Valve
The 2nd stage's exhaust valve is a one-way valve that allows the diver's exhaled air to leave the regulator. Basically, it is where the bubbles exit the mouthpiece.
The purge button allows the diver to force air from his/her tank through the regulator to clear any water that may have inadvertently entered the 2nd stage. This button should be fairly simple to manipulate, even when wearing thick dive gloves. It should also only require the pressure from one finger to successfully perform the purge.
Mouthpiece
Your 2nd stage's mouthpiece is a more crucial piece of equipment than most people believe. A mouthpiece should be comfortable in your mouth; if it feels too big or too small, use a different size mouthpiece.
Dry Valve Technology (DVT)
DVT is a revolutionary regulator technology designed to automatically eliminate moisture and contaminants from entering your first stage, even if the dust cap is accidentally left off.
DVT eliminates corrosion of critical internal components, bacteria, hose deterioration, and damaged gauges and computers.
Pneumatically Balanced Valve
The pneumatically balanced second stage reduces breathing resistance to near zero with a balanced valve seat designed to respond to the slightest inhalation.
A pneumatically balanced second stage actually has (or can have) the same initial crack opening effort as a mechanically balanced, but the spring force of a pneumatically balanced second stage is lighter so it’s spring rate is also lower.
Diver Adjustable Inhalation Effort
A simple twist of the adjustment knob enables complete control...
Set the inhalation requirement to near zero when you need ultimate performance, or tune it for greater resistance as conditions or preferences change.
