Apeks technical informatiom
30 May 2020   

Apeks Technical - XTX Reversible Venturi System (RVS)

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The Apeks Reversible Venturi System (RVS) allows the diver to control the venturi assist with greater precision due to indexable Venturi Lever*. Gas flow to the diver can be directed towards the mouthpiece by indexing the venturi lever towards the plus position. This allows the diver an assisted breathe resulting in a more comfortable dive with less breathing effort. Due to its unique design the venturi lever can be moved to either the left or the right side of the regulator, depending on the desired hose configuration.

With the venturi lever in the minus position, the air-flow from the 2nd stage is directed onto the diaphragm, closing the valve and preventing freeflow.

The Indexable Venturi Lever can therefore act as a pre dive switch. Set in the minus position the second stage will not free flow either during the entry phase or if the regulator is dropped in the water. When the diver begins to use the regulator the venturi lever can be indexed toward the plus position and the second stage will give increased venturi assistance according to the set level dialled in.

Ambient pressure is greater than the pressure under the diaphragm, so the diaphragm is pushed down onto the lever to assist with the breathing effort.

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