Apeks XTX50 Regulator & XTX40 Octo (0317)
The DST first stage uses a balanced diaphragm design for high performance that does not decline at depth or as cylinder pressure becomes low. The internal springs and parts protected against cold water by an environmental seal to help prevent ice crystals forming that could lead to a free flow in extreme cold conditions. The seal also protection susceptible o-rings from contamination and chemical damage. The first stage features two high pressure ports on the main body and four low pressure ports on a swivelling turret that allows convenient hose routing.
The XTX 50 is a compact second stage with inlet heat exchanger and full metal valve barrel for improved cold transfer efficiency. A venturi lever allows customised control over the air flow within the housing, directing towards the diaphragm for reduced risk of freeflowing when not in use and towards the mouthpiece for maximum air flow. A inhalation control knob allows the diver to increase the breathing effort required to open the valve if required.