DGX Gears O2 Regulator Package
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DGX Gears O2 Regulator Package
- Compact lightweight decompression regulator
- Piston DIN 1st stage w/ balanced adjustable 2nd
- Three LP 3/8-inch ports - one HP 7/16-inch port
- Includes Mini-SPG, S/S bolt snap, DIN cap
- Assembled, tested and shipped to you ready-to-dive
DGX O2 Deco Regulator Package is Assembled using oxygen compatible materials and lubricants, this DGX O2 Deco Regulator is suitable for Oxygen Service without the need for additional preparation. The DGX Deco Regulator is a compact, lightweight option for an accelerated decompression regulator. A value priced but quality flow-by piston DIN first stage and balanced adjustable second stage that delivers improved performance in appropriate deco depths for 50% to 100% oxygen.
The DGX FIRST is a compact first stage flow-by piston regulator with an IP of 120 and the typical BSP G5/8 DIN connector that will fit 200 and 300 Bar valves. This first stage provides unusually good performance for such an inexpensive system. The DGX D6 second stage is pneumatically balanced for excellent breathing. Internally it contains a chrome plated brass air barrel for performance and durability. The black soft touch silicone front cover for easy purge and along with a scalloped metal user adjustable breathing resistance knob. It also offers the venturi (Dive /Pre-Dive) switch for better flow control when needed and to reduce free flow upon initial entry. The included C-Bite+ mouthpiece provides comfort and helps to reduces jaw fatigue on longer deco obligations.
The package includes a Mini-SPG in choice of PSI or BAR, S/S bolt snap with hose clip retainer, DIN cap, and comes assembled by Dive Gear Express with a green {40 in | 1 m} hose. The braided flex hose makes hose management easy and comes standard with the DGX O2 Deco Regulator setup.
| Brand | DGX Gears |
|---|---|
| SKU | PK-742004 |
| Weight | 4.750000 |
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Required-stop Decompression and Regulators
Open-circuit technical divers often switch to breathing pure oxygen or a very rich advanced Nitrox mix such as 50%, to substantially reduce their required-stop times as compared to decompressing using just their bottom mix, called accelerated decompression. The depth where the gas switch occurs is relatively shallow, typically {20 fsw | 6 msw} for 100% oxygen or { 70 fsw | 21 msw} for 50% Nitrox. For profiles with very deep and/or very long bottom times, the diver can further reduce their required-stop times with multiple gas switches during the ascent, called staged decompression (not to be confused with regulator stages). The depths where the first gas switch occurs in staged decompression is relatively deep, typically {100 fsw | 30 msw} or a little deeper using a sport Nitrox mixture and for extreme exposures often the first switch is around {190 fsw | 57 msw} using normoxic Trimix.
In most cases, it is pointless to pay a top-shelf price for a high-performance regulator that will be dedicated to deco. Required-stop decompression in general is not an activity that demands high-performance regulators. Divers on decompression stops are normally at rest and decompression gas regulators are typically configured with only a single second stage. The shallower accelerated decompression depths are not at all demanding of regulator performance, almost any regulator would do in theory, but the very rich decompression gas requires the regulator be specifically designated as suitable for use with pure oxygen. Unfortunately, most regulator manufacturers only describe their regulators as suitable for Nitrox mixtures to 40% maximum. Most staged decompression depths do require a somewhat better performing regulator, at least qualified for sport nitrox mixtures.
Unfortunately, due to liability concerns of most recreational diving equipment suppliers, there are only few value priced regulators that are officially qualified for use with 100% oxygen. Dive Gear Express offers four value priced specialty decompression regulators all designed and qualified for use with 100% oxygen, but suitable for use in differing maximum depth ranges (and also limited to the maximum operating depth of the gas mixture) based on the performance of their first stages. The Dive Rite O2 Regulator is suitable to a maximum depth of { 50 fsw | 15 msw}. The DGX Gears O2 Regulator is suitable to a maximum depth of {130 fsw | 40 msw}. The Mares O2 Regulator is suitable for use to a maximum depth of {160 fsw | 50 msw}. The Dive Rite FT Stage/O2 Regulator is high-performance regulator suitable for staged decompression and does not have a maximum depth limit defined by the manufacturer.
