How to use a stage cylinder

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(VIDEO) Skills and drill you will practice in the water with your instructor are gas switch procedures. The stowing of a used Stage bottle. S-drills when using a stage and a standard valve drill. In the more advanced classes you will also practice the use of a leash...

9 Failures on Back Mount Double Tanks

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Below you can see the presentation of the 9 failures on a set of back-mounted, manifolded double tanks. We simulate these failures on the UTD critical skills dives. These simulations will be done in a controlled manner after extensive dry runs and after your...

Glossary

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Appropriate Diver Support – First aid equipment including but not limited to a first aid kit suitable for the planned diving activities, an emergency oxygen unit with a capacity of delivering pure oxygen for at least 20 minutes, and a commu- nication system suitable...

Valve Failures – SDPM

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As the first stage has many moving parts and failure points, including a large number of dynamic and static o-rings, generally external booms, or failures, occur in the first and second stages and not the tank valves themselves, even though we term it “valve...