Description
H50D First stage
The H-50D is a high performance diaphragm design that is fully sealed and purpose-built for harsh conditions, such as ice or environmentally contaminated environments. Diaphragm first stages are historically popular with cold water divers, and the H-50D was engineered for extreme conditions. Go dive extraordinary places with your H-50D, and be confident that you have a rugged regulator that will meet all your demands.
Balanced, environmentally sealed diaphragms provide better performance in cold water than any other diaphragm regulator, while supplying consistent performance at varying tank pressures and depths. You will enjoy smooth, easy breathing throughout your dive. The dry, balance chamber diaphragm design prevents the entry of water into the first stage mechanism and enhances a trouble-free operation. This is true even in the coldest conditions.
Two opposing high pressure ports allow you to choose where to route your SPG and allows the use of accessories. Most Halcyon divers route their pressure gauge to the left, but the Halcyon H-50D allows flexibility with any configuration you choose. These options provide freedom to support personalized and advanced hose routing configurations.
Four low pressure ports allow you to customize your hose routing for comfort and convenience. The H-50D features four stationary low pressure ports, with high flow options, ensuring the best air delivery with up to 15% more air than other LP ports. For maximum freedom, try the H-75P with its 360 degree swivel turret.
Halo Second Stage
Halcyon’s Halo second stage offers steadfast reliability and impeccable performance; two methods of breathing adjustment make it the top choice for demanding Halcyon divers – the ultimate in breathing performance. Experience the smooth, high volume of air delivered by a Halcyon Halo second stage and you will be hooked.
- Balanced, downstream valve offers incredibly smooth breathing in all conditions. The design slightly offsets the force of the downstream air entering from the first stage, allowing reduced spring tension and a decreased inhalation resistance. Halcyon first stages are balanced, so the Halo is a perfect fit with either the H-75P Halcyon first stage.
- Adjustable inhalation control refines breathing effort by way of an easy access control knob; this allows the demanding diver an opportunity to fine-tune the air delivery of the second stage.
- Air Control Vane (ACV) offers a second diver adjustment for the ability to fine-tune breathing. The ACV uses vacuum assist technology to reduce work of breathing and increase diver comfort.
- Comfort mouthpiece is standard on every second stage to reduce jaw fatigue and mouth irritation. In combination with the freedom of head movement provided by Halcyon’s primary long hose, you will enjoy dives free from the jaw fatigue common with certain mouthpieces and/or poorly balanced hose routing.
Aura Second Stage – Occy
The Aura second stage regulator provides a simple, compact design that makes breathing under water feel completely natural.
Features
- Non-adjustable downstream valve
- Air Control Vane (ACV)
- Compatible with 40% Nitrox
Master Submersible Pressure Gauge
Halcyon pressure gauges are reliable and accurate. Designed for pressures beyond 5,000psi (400BAR), and constructed with high-quality materials, the highly visible, luminescent face makes this a favorite among divers in all environments.
The weight and size of our Standard SPG gauge make it well suited as a primary SPG; the large, clear display is easy to read in all diving conditions.
Features
- Calibrated for BAR (0-400) or PSI (0-5500)
- Nickel-plated brass with mineral glass lens
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