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Designed for divers seeking reliable performance in an uncomplicated air delivery system, the MK11/S560 is compact, user-friendly and affordable. The balanced diaphragm MK11, with its chrome-plated brass body specially designed to reduce ...
Scubapro
Technical divers will love the solid breathing performance and proven reliability of this notable regulator combo. The air balanced piston-style MK25 EVO is consistently ranked as the top-performing first stage on the ...
Scubapro
OVERVIEW Combining the iconic design of the original D-Series regulators with the latest advances in breathing performance technology, SCUBAPRO engineers have created a 21st century regulator in terms ...
Scubapro
The LEG3ND ELITE gives divers unprecedented capabilities by providing perfect precision and enhanced ergonomics at your fingertips. Advanced divers appreciate the independent micro adjustments to fine-tune their own individual breathing ...
Aqua Lung
VR 400 Regulator with combining advanced technology and a cold resistance. The VR400 is a top of range regulator which combines advanced technology and cold resistance with elegance. It is entirely ...
Beuchat
This premiere travel regulator packs maximum performance into minimum space. A true featherweight second stage, the Compact is built from lightweight techno-polymers to eliminate jaw fatigue. Easy to pack and easy to ...
Cressi-Sub
... Abyss 22 Navy II scuba regulator is the answer to any challenge. Carefully designed, this regulator guarantees top performance and reliability under the toughest conditions, even when ...
Mares
The diving regulator Dräger Secor 7000 was developed for the professional diver. The medium pressure hose can be attached to either side of the 2nd stage to ensure diver comfort. The Secor 7000 integrates perfectly with ...
First stage body material: forged brass with sand-blasted chrome finish • First stage characteristics: high-performance balanced diaphragm design, fully insulated against the outside, maximum safety, and easy to overhaul • Second stage ...
Seac sub
FALCON 1 FIRST STAGE (GUN METAL) $ 289.00 USD AKUANA regulators are designed to deliver effortless airflow in different environments and are undergoing rigorous tests to ensure the superb reliability which earns the ...
AKUANA
FALCON 2 FIRST STAGE (ICE VERSION) $ 186.00 USD AKUANA regulators are designed to deliver effortless airflow in different environments and are undergoing rigorous tests to ensure the superb reliability which earns the ...
AKUANA
FALCON 3 FIRST STAGE (POLISHED) $ 186.00 USD AKUANA regulators are designed to deliver effortless airflow in different environments and are undergoing rigorous tests to ensure the superb reliability which earns the ...
AKUANA
Extremely compact balanced membrane first stage with 4 LP and 2 HP.
The RS-790 delivers performance, durability and comfort making it the ideal choice for discerning divers. FEATURES First stage (R-700) > Balanced diaphragm first stage with anti-freeze system > Dry ambient pressure chamber ideal ...
Tusa
The T3 forges a new Titanium standard as the absolute finest regulator you can own, regardless of price. The T3 is our signature regulator, providing you unprecedented reliability and performance. Amazing ...
Atomic Aquatics
The RS-811 features a balanced piston first stage, offered in both yoke and DIN configurations. This compact, lightweight first stage delivers instant and consistent airflow by way of two H.P. and four L.P. ports. The RS-811 and SS-11 ...
... for Nitrox and Oxygen. RELIABILITY THROUGH TIME Only through years and years of use by divers around the world can a regulator truly find its limits. Poseidon's Cyklon has been put to the test for over six decades. ...
Poseidon
The SR2 regulator continues the legacy the SR1 created. It packs advanced technology into a compact case, employing contemporary styling and utilizing a multitude of cutting edge materials. Superior breathing performance ...
Sherwood Scuba
... XL4 is a compact, lightweight regulator suitable for diving in all environments including cold water locations. Its design and low weight help reduce jaw fatigue on long dives. The XL4 also makes an ideal stage regulator, ...
Apeks
... prompt adjustments to breathing demands in all conditions, temperatures or tank pressures. Enjoy the smoothest breathing regulator whether you are on the final hours of an extreme cave exploration or on a blue water ascent ...
HALCYON
... new Cosmos Plus regulator set has a high performance, environmentally sealed First Stage unit and unique re-styled second stage units, perfect for cold water diving environments and more extreme dive conditions. This ...
... incorporates a unique EXO thermic™ exhaust system in the demand regulator assembly whereby the divers own breath assists in reducing thermal drain by warming certain areas of the regulator. This helps ...
Kirby Morgan
Brownie's Hookah 2nd stage regulator only ,no hose. This hookah regulator works with all low pressure Brownie's Third Lung hookah systems and most other hookah systems requiring a pressure output of ...
BROWNIE'S THIRD LUNG
RG3V balanced diaphragm 1st stage with on/off valve, Regulator style 2nd stage with a vertical/horizontal swivel Braided low pressure hose with quick disconnect allows for detachment of hose from the 1st stage Fits ...
h2odyssey
YUKON - GR320 Exceptional dependability. ABS/Polycarbonate housing. Factory set diver inhalation effort. Flow-by piston first stage. Features: ABS/Polycarbonate housing. Factory set diver inhalation effort. 302 passivated ...
Genesis
... ourselves a challenge to design a rugged and reliable all-purpose regulator that would be at home in cold water or warm and breathe just as good at 30 feet as it did at 130. We called that regulator the ...
Oceanic WorldWide
... compromising breathing performance. Diving Regulator, Diving Frist Stage YOKE, Diving Frist Stage DIN, Diving Regulator Air Buddy Scuba Gear Technical Information: Type: Piston ...
Aquatec
Description Piston first stage, robust and simple to maintain. 1HP, 4LP
The XT's ambidextrous orientation was made for sidemount. The XT left hand regulator provides the perfect hose routing for the left tank paired with our 60-inch Airflex hose and a right angle adapter. The hose no longer ...
Dive Rite
How to choose this product
A scuba regulator allows a diver to breathe by delivering the compressed air in the tank on demand and at ambient pressure. The first stage of the regulator connects directly to the tank. The second stage supplies air through a mouthpiece held between the diver's teeth. A back-up second stage is called an octopus.
Applications
Certain regulators are designed for very cold water or use at great depth.
Technologies
Regulator first stages use either piston or diaphragm technology. They connect to the tank via a threaded DIN or yoke fitting. An octopus is mounted on a hose that is longer and of a different color than that of the primary second stage to make it easily identifiable and accessible. It is used in case of gear failure and facilitates sharing air with a dive partner who has run out.
How to choose
A piston first stage uses a mechanism that is simpler, more reliable and easier for the diver to service. Diaphragm first stages are better adapted to harsh environments (e.g., very cold water, high turbidity) and require less maintenance because most of the mechanism is isolated from contact with the water.
A balanced first and/or second stage offers easier breathing, particularly at great depth. All regulators should be inspected and serviced regularly.
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