The Sherwood Blizzard is one of the best selling cold water regulators of all time, and a top pick for instructors and safety divers. The all-metal second stage has a unique pivoting purge valve, lightweight braided Superflex hose, and a neat twist control to boost the flow rate from natural breathing to power breathing, all of which was seen on the Fusion reg. It has dry chambers that reduce the potential for ice build-up. You are using an out of date browser. Having a wrist computer is great for non-technical diving. The overall work of breathing on past Legend models was .74 J/l but is not listed for the third generation. The large purge is easy to locate and operate even with thick gloves, and the same goes for the venturi lever. Welcome to ScubaBoard, the world's largest scuba diving community. The Aqualung Leg3nd Elite Regulator is one of the new generation Legend has recently been upgraded with many innovative features and new appealing aesthetics. The Legend also features Aqua Lungs unique first stage auto-closure designed to close your dust cap in case you forget to do it manually, so youll never flood your filter while washing gear. The MK25 EVO D420 is one of the latest scuba regulator models by ScubaPro. The Vortex Assisted Design creates a swirling vortex with a low-pressure area in the centre that keeps the diaphragm down during inhalation, for easy breathing at all depths. This regulator is preferred by wreck, cave, and cavern divers . The AL Legend can be tuned to breathe quite easily, even a little easier than the G250. Youll only consider the absolute best scuba regulators, and nothing else will do. Underwater photography is challenging in perfect dive conditions, so why buy a regulator that will make taking perfect pictures more difficult? It is made with marine brass and has an exterior chrome coating. The inline ball swivel and orthodontic mouthpiece help fit the regulator in a comfortable way. The second stage is small and lightweight as well. Always check the owners manual for the maintenance schedule of the regulator. For this test it was paired with the proven MK25 EVO flow-through piston first stage, which is fully insulated from the environment by the XTIS (Extended Thermal Insulating System) and has numerous innovative design features to aid cold-water performance. CRACKING RESISTANCE:Yes |VENTURI:No|VERDICT:xDeep have carved a solid reputation with their wings, and it continues here. Joining has its benefits and enables you to participate in the discussions. Working at a dive shop I have seen several tanks that ended up with significant water in them because the tank pressure was emptied during a dive. The second stage controls when the low-pressure air is released via a diaphragm opening which allows the diver to breathe. The Zirconium thats what the Z stands for delivers corrosion-resistance apparently three to four times that of conventional chrome plating, and the second stage lever, orifice and spring are titanium, as with the higher-spec (and price) models. This regulator features a robust design packed with diver-friendly features, and it still weighs less than most models in its class. Top 10 Best Scuba Diving Regulators 2020 | Mike's Dive Store Personally, I think Cressi regulators are of good value and work great for most recreational diving. While it is a very reliable second stage modern second stages have been improved on. On the second stage, the soft co-moulded purge button is effective and easy to locate and operate even with thick neoprene gloves, the Comfo-Bite mouthpiece is still one of the best on the market in my opinion, and the co-moulded exhaust tee efficiently vents exhaled bubbles either side of your face. This model is robust enough for daily use in extreme climates, but compact and lightweight enough for travel, too. If the tank pressure ever falls below around 300 psi the tank should also be visually inspected as seawater could have entered the tank. The venturi is a bit dinky compared with some of the others, so a bit more awkward with gloves on, but still workable. When it comes to SCUBA regulators, the Atomic Aquatics T3 is the top of the line. It is equipped with a factory sealed first stage, huge purge button, comfort swivel, and no less than seven low-pressure ports and two high-pressure ports. The 200LX features a braided hose, large venturi lever, chunky cracking resistance control, and has a big purge. It is not a balanced system and does not have a high heat transfer rate for cold water diving. The ScubaPro MK25 A700 EVO carbon black tech is a top-quality durable scuba regulator. This is a sealed piston first stage with two high pressure and five low-pressure ports. The second stage stands out from the crowd thanks to its chrome surround on the front, and distinctive triangular-shaped purge valve. The diaphragm is located in the lower section which makes breathing easier in the upright position. I have been told by many that the D420 doesn't breathe all that great on the surface. When using a wrist computer even if it transmits pressure should have an SPG that is directly connected to the regulator. Overall, both the MK17 and Legend Supreme offer high-quality technology at half the cost of the T3. It has a soft, comfortable mouthpiece, and utilises Mares Fluid Dynamic Deflector, which receives and properly directs the airflow from the Vortex Assisted Design bypass tube to the mouthpiece. It is equipped with Aqua Lungs patented Auto Closure Device, or ACD, which prevents any accidental water ingress if you accidentally submerged it without putting the cover back on the DIN or Yoke fitting. It was nice and dry in all positions, coped admirably with whatever we threw at it, and the venturi and in particular, the cracking resistance control really did make a difference to the breathe. The XL4+ is one of their newest regulator effectively an XL4 but with an added high-pressure port and a nifty white colour scheme and as with its predecessor, was designed from the outset to be a very lightweight, travel-friendly unit, but crucially, also cold-water rated. DIN vales have fewer o-ring problems and can typically be used with steel tanks up to 3500 psi. It incorporates Mares VAD (Vortex Assisted Design), an air bypass tube that delivers air to the mouthpiece, creating a swirling vortex with a low-pressure area in the centre that keeps the diaphragm down during inhalation, for easy breathing at all depths. In fact, the Mk25 EVO has passed CE EN250 coldwater certification, so it has been successfully tested in fresh water of 4C at a depth of 50m, where it has been subjected to a moderately hard breathing-rate of 375 litres per minute for five minutes, during which it must not freeflow.

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