Blackburn-based Apeks Marine Equipment has been around for over 40 years, and since that time the companys regulators have found a special place in the hearts and kit bags of many divers. The MK 25 Is a better breather ,but the legend is a better cold water reg. This Cressi AC2 with XS compact has a DIN first stage regulator rather than a yoke regulator. It is important to occasionally use and test the secondary regulator. Your choice largely boils down to where you'll be doing most of your diving and your access to competent and professional service/repair. The venturi is a bit dinky compared with some of the others, so a bit more awkward with gloves on, but still workable. It is equipped with Aqua Lungs ACD (Auto Closure Device), which keeps corrosive water out of the first stage inlet by automatically closing as the reg is removed from the cylinder valve. For technical and deep diving having an air-integrated computer is best since it can more accurately calculate the remaining bottom-time based on tank pressure and safety stops. And, even lightweight options should feel strong and stable, with no flimsy plastic pieces. ScubaPro MK21 regulator has a piston balanced first stage. The 15X first stage has pre-oriented ports two high-pressure and four low-pressure, including one DFC port (Dynamic Flow Control), which minimises intermediate pressure drop during inhalation, thus maximising gas delivery for optimum routing, yet retains a compact, travel-friendly size and weight. The durability of this setup is why this regulator is often used as rental gear for dive operations. Balanced regulators deliver the same amount of air per breath until your tank is empty. SCUBAPRO M25 A700 Regulator. A key feature of the regulator is the automatic flow control that regulates the Venturi effect when diving deeper. CRACKING RESISTANCE:No |VENTURI:No|VERDICT:The MK21 is a robust air-balanced piston first stage, and paired up with the C370 makes for a great reg package. There are also low-pressure steel tanks that are rated between 2,400 and 2,640 psi. 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. So far, so normal. If youre planning to dive in cold water (below 75 F), youll need a regulator built to take a beating. Most regulators only come with the primary second stage, not the octopus. The cover of the regulator and the hose are typically yellow to let the diver and the diver buddy know that it is the backup regulator. The tank also needs to have a proper hydrostatic test date which is typically every two to five years depending on the type of tank. The second stage stands out from the crowd thanks to its chrome surround on the front, and distinctive triangular-shaped purge valve. It is made with sound-absorbing plastics and corrosion-resistant titanium. A turreted (vertical tower shaped) first stage offers many advantages over a traditional horizontal valve, especially when diving in cold water. The large circular purge button is also simple to find and operate. Personally, I have dove wrecks at about 100 feet with an unbalanced regulator and did not notice any change in the force level it took to breathe. The first stage is a solid piece of kit, with natural dynamic flow control on all low-pressure ports, which are mounted on a swivel turret, and tilted so you can find that perfect routing. So, to utilize this new technology, youll need a regulator with 2 high-pressure ports. Her goal is to share her passion for the ocean and inspire people to explore the undersea world. Having a compressor that fills a higher value requires a more complex system and the risks that lower pressure tanks will accidentally be filled to a higher value. The regulator has a patented comfort swivel which is shown in the video below. The Elite is the latest and highest-end model of the Aqua Lung Legend series of regulators. The Scubapro MK2 EVO/R195 is ideal for newly certified divers exploring in cold climates. Other features of the second stage include an air balanced progressive flow control valve, dive or pre-dive switch, inner winglets to reduce exhalation effort, and a compact high-flow mouthpiece that is comfortable to wear. The Atomic Aquatics M1 has all the features youd expect from a cold water regulator packed into a travel-sized package. The simulator pressurizes the chamber to simulate depths of 132 feet of seawater, 165 fsw and 198 fsw. If you do purchase a DIN regulator I would get the yoke adapter and use this when diving with dive shops in the USA. The G250 was one of the most copied and reliable second stages built. This change in flow can serve as a good reminder to check your pressure gauge and can prevent out of air emergencies while diving in warm water. I think you'd be happy either way. The second stage is also pneumatically balanced. The regulator has a three year 300 dive service interval. The male thread on the DIN valve screws into the tank valve, so that the o-ring is solidly in place. DIN vales have fewer o-ring problems and can typically be used with steel tanks up to 3500 psi. It has dry chambers that reduce the potential for ice build-up. The Oceanic reg benefits from being in the Huish Outdoors family with Atomic Aquatics, and features the same soft-with-harder-insert mouthpiece. This regulators first stage is a balanced piston design. The Apeks MTX was built based on a military design, featuring a nearly bulletproof sealed and balanced brass exterior. The first stage is pretty small, which helps keep the weight down, and with its shiny chrome and polyurethane protector, it certainly looks eye-catching. The C370 second stage body is made from fibreglass reinforced nylon and now features a balanced valve and new exhaust tee. As with all Hollis regulators, it comes with a lifetime warranty, only requires a service every two years and you get service kits free of charge for the life of the regulator. 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. Features of the FDX-i first stage include chrome-plated marine brass construction, pneumatically balanced, and environmentally sealed. The Core Supreme is a decent-looking regulator that delivers a smooth breathe, doesnt break the scales when it comes to weight, and at this price point, represents excellent value for money. Typically you are going to read the depth from the dive computer. These days, there are plenty of options weighing in at less than 2.5 lbs. We do this at 2 liters/20 breaths per minute, 2.5 L/25 bpm and 3 L/25 bpm. Its rated for extreme cold and can be used safely for demanding immersions like ice diving. SCUBAPRO MK25 EVO D420 | SRP: 695.00 Scubapro has brought back the venerable D-series of regulators. Maybe look toward the MK 25/19/17 and a G260 for the future, Im not much of an Aqua lung fan but they are good regulators. This gauge connects to a high-pressure port on the primary regulator. Scuba diving at night is a very fun experience. Plus, its an easy-to-service reg that doesnt require special tools, and is easy to work on in the field. 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. Second stages today offer something the G250 doesnt have, a micro adjust that allows the service tech to fine tune it. The Aqualung Leg3nd Elite Regulator is one of the new generation Legend has recently been upgraded with many innovative features and new appealing aesthetics. DIN valves screw directly into the dive tank, to form a highly stable seal. However, the Epic also has a cracking resistance control knob for further fine-tuning of the breathe. In the secondary regulator, there are large ribs that act as a heat exchanger to protect internal mechanisms. The D420 is suppose to excel once underwater so as soon as the ice melts I will give it a whirl. They're both outstanding regs, and they'll both give you a long useful lifespan. And, its rated for even the coldest of climates. There is always a primary second stage and a secondary second-stage or octopus. Cressi air gauge with integrated Leonardo 2 dive computer. If youre diving in warm water, you wont notice much of a difference in performance between the two. It has a balanced valve which delivers abundant airflow regardless of depth, and the pivoting purge is highly efficient. The first-stage regulator is the part that is screwed onto the scuba tank. It has four low-pressure ports and one high-pressure. The first choice needed to be made when purchasing a regulator is whether to get a DIN or a yoke regulator. My mentors' aqualung is almost 12 years old and still going strong. A balanced second stage makes it easier to breathe at deep depths. There are over 12 different models of ScubaPro regulators. Zeagle have long been producing top-quality BCDs and wings, and now they are well-established in the world of regulators after teaming up with the knowledgeable team at Atomic Aquatics. 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. It breathes super easy at any depth. DIN regulators can be rated to a higher pressure value than a yoke valve which is also called an A-clamp. It is known for easy breathing regardless of depth. This is especially important if youll be diving in extreme cold and using thick gloves. You are using an out of date browser. And, it can support a higher blend of oxygen than most models, so its a favorite among technical and specialty divers. Regulators that feature an adjustable flow rate allow you to increase and decrease how much air you get with each breath. The large venturi lever and cracking resistance control knob were easy to use with gloved hands, and the purge was effective. Registration is not required to read the forums, but we encourage you to join. The octopus is threaded onto a low-pressure port on the primary regulator. The MK2 Evo is an efficient piston first stage. The stainless-steel construction is durable. Key features of the second stage include an adjustable Venturi vacuum assist, a super flow hose, a comfortable mouthpiece, and metal valve housing. And, for this same reason, the DIN valve performs better in extreme cold. A DIN valve can work with a yoke regulator if a plug adapter is placed into the scuba tank. Features of the first stage include an extended thermal insulating system, two high-pressure ports for flexible positioning, five high flow low-pressure ports, and external adjustment of intermediate pressures. The AC2 first stage is a simple, reliable, and robust unbalanced piston design. The DIN valve is different in that the sealing o-ring is mounted into the first stage itself, not the tank valve. All metal components have a PVD coating for added durability. The Comfo-Bite mouthpiece is also very comfy. Icy waters are among the most challenging conditions you can take on as a SCUBA diver, and not just any gear will do. It features an oversized purge button, Superflex braided hose, and a chunky knob on the side for adjusting the cracking resistance of the inhalation effort. It is an environmentally sealed overbalanced diaphragm design, with a heat exchanger wrapped around the HP valve, so perfect for cold-water diving. As many of our readers dive in all year round in a range of temperatures, we generally test regulators in February and March, when water temperatures are at their lowest in the inland sites much to the chagrin of the Test Team members. The xDeep regs provided a smooth breathe, and the controls were simple to find and use. I have a LX Supreme for my back mount rec diving and a pair or Apeks for . The second stage is very lightweight, and it has a purge that lurks behind a flexible mesh grid on the unit, which helps eliminate freeflow in currents. The Leg3nd Ultra has a venturi lever and a cracking resistance control knob, for completely independent control over the ease of the breathe.
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