Description for Apeks DS4 :First Stages - DS4
- Dry sealed system for cold water.
- No turret.
- 4 medium pressure ports 3/8 UNF
- 1 high pressure port 7/16 UNF
As the diver descends the demand for air increases. To maintain the supply, the intermediate pressure increases relative to the water depth.
- In this dry sealed system hydrostatic pressure, acting on the outer sealing diaphragm, is transmitted to the primary diaphragm via the load transmitter.
- This first stage utilizes 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.
- The result is superior breathing performance regardless of depth.
All our first stages are available in both DIN and A clamp versions.
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