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The first stage - the powerhouse of your regulator - reduces the high pressure air stored in your cylinder to a controllable intermediate pressure of about 9 - 10 BAR. The air then flows along the medium pressure hose to the second stage (demand stage). Apeks manufactures a wide range of first stages to meet the needs of every diver. The DST first stage is one of the worlds top 1st stages with proven performance and reliability.
The first stage is of pressure adjustable depth compensated diaphragm design and supplies air at exactly the right pressure. As the diver descends the demand for gas increases and to maintain the supply, the intermediate pressure increases relative to the water depth. In the Dry-Sealed System hydrostatic pressure, acting on the outer sealing diaphragm, is transmitted to the primary diaphragm via the load transmitter.
These first stages utilize a unique over-tracking (over-balanced) diaphragm design, where the intermediate pressure supplied to the second stage increases more than traditional balanced models, as the diver descends to greater depths. This increased intermediate pressure compensates for the increased density of your breathing gas by allowing a larger volume of gas to flow through the system on demand. The result is superior breathing performance regardless of depth.The first stage is of pressure adjustable depth compensated diaphragm design and supplies air at exactly the right pressure.
- Dry Sealed System with swivel turret (DST)
- 4 MP ports, 4 x 3/8 UNF
- 2 HP ports, 7/16 UNF
Do you like Apeks DST DIN? Enter in our dive section and discover a big variety of Regulators products and accessories that can help you realize your leisure activities. We verify that the dive products are in a perfect condition. Do not look any further! Our collection of Regulators are available in different colours and styles.
Laurent C - 26/10/2016
The high end of the first floor. Very handy with the revolving turret. Resists the cold water perfectly!
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