Mares has incorporated the top of modern regulator technology into the 28XR-HR underwater regulator. The first stage uses an innovative balanced diaphragm which is operated by a double piston. AST - Auto Sealing Technology guarantees perfect sealing against the possible entry of sand or other particles, especially in cave diving or in polluted waters. The rotating swivel turret with 1 vertical low-pressure port and 4 low-pressure ports means it can be used in all configurations. Its flexibility allows it to be used: on a double tank, in stages, and in a sidemount configuration.
The second stage, with a technopolymer body that is simple and ultralight, provides excellent performance. A large side knob allows you to adjust breathing force, even when wearing thick neoprene gloves.
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| Product Category | Regulators |
|---|---|
| Regulator Configuration | First Stage Only |
| Regulator Special Features | Balanced 1st Stage |
| SKU | MAR-416270INT |
| Condition | New |
| Brand | Mares |
| More Info |
Mesh GridPatented design which reduces the impact of water flow onto the second stage diaphragm, thus eliminating free flows even in strong currents.All Metal TechnologyOutstanding mechanical reliability and high thermal conductivity make our metal 2nd stages extremely long-lasting and ideal for cold water dives. The high thermal conductivity of metal also reduces the dry mouth feeling during the dive.VAD - Vortex Assisted DesignThe air bypass tube delivers air to the mouthpiece, creating a swirling vortex with a low-pressure area in the center that keeps the diaphragm down during inhalation, for very sensitive and easy breathing at all depths.DFC - Dynamic Flow ControlMinimizes intermediate pressure drop during inhalation, thus maximizing gas delivery, especially under extreme conditions.SPECS:
Material - All Metal Technology
Finish - Sandblasted
First stage - Balanced Diaphragm
First stage weight INT = 1.9lb
First stage weight DIN = 685 g / 24.2 oz
Second stage weight = 0.6lb
Total weight (g) INT = 2.9lb
Total weight DIN = 1172 g / 41.3 oz
High-pressure ports = 2 HP 7/16” UNF Ports
Low-pressure ports = 1 LP 1/2” UNF Port, 3 LP 3/8” UNF Ports
Hose type - Rubber hose
Gas used - Air
Hose length = 80 cm
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| Weight | 2.000000 |