MK19 EVO D420 REGULATOR

Reference SCRG12425300

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Description:

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 of quality, reliability, performance and style.

The new D420 features a brand new balanced valve inside a housing supported by a full metal structure. Called the Progressive Flow Control Valve, it is able to deliver abundant airflow for the best breathing performance, with a natural smoothness comparable to what you might experience breathing on the surface. The uniquely shaped fiberglass-reinforced nylon casing is ultra-durable and allows the LP hose to be connected on either the right or left side for maximum rigging flexibility.

A new dive/pre-dive system includes a switch on the top of the casing with a thumb tab for adjusting the direction of airflow right out of the valve. The highly efficient purge button is a technical jewel based on a new concept that gives the D420 its unique face. 

MK19 Evo First Stage:

• Designed to be the ultimate first stage for cold water or contaminated diving conditions.
• Its design makes it substantially smaller and lighter than the original MK19.
• Air balanced flow-through piston in a chrome-plated marine-grade brass body provides constant and effortless airflow unaffected by depth, tank pressure, or breathing rate
• Environmentally sealed system prevents water and pollutants from fouling the inner mechanism.
• Its dry chamber is equipped with a double spring, making it more compact and reliable.
• Two opposing high-pressure ports allow the first stage to be positioned either up or down, plus provide for an optimum hose/transmitter layout.
• Swivel turret comes with four High-Flow LP ports plus one axial Super High-Flow LP port to maximise hose routing options.
• Compact size, light weight and superb breathing performance continue in the best SCUBAPRO regulator tradition.
• Ideal first stage for recreational, technical, professional and military divers.
• Weight: INT 232, 885g; DIN 300, 665g
• Airflow at 2900psi/200bar: (l/min/SCFM): >6,900/244
• Intermediate pressure (psi/bar): 133-142/9.2-9.8

D420 Second Stage: 

• Uniquely shaped fiberglass-reinforced nylon casing carries on the D-Series heritage with the latest advances in breathing performance technology.
• Air-balanced Progressive Flow Control Valve is able to deliver abundant airflow with a natural smoothness comparable to breathing on the surface.
• Dive/pre-dive system includes a switch on the top of the case with a thumb tab for adjusting the direction of airflow right out of the valve.
• Casing design features inner winglets that direct airflow towards the exhaust valve, creating a dramatic improvement in exhalation effort.
• Diaphragm is located in the lower section of the casing to take advantage of the pressure gradient in the upright position, making breathing even easier.
• Reversible hose attachment allows for either left- or right-side LP hose connections for maximum rigging flexibility.
• Large purge button is easy to reach and press, with or without gloves.
• Exhaust tee is compact and efficiently deflects bubbles from the diver's view while enhancing ease of exhalation.
• Super-flow hose features an oversized bore that allows more air to flow on each inhalation.
• Compact Hi-Flow mouthpiece improves airflow as well as mouth comfort, fitting all mouth sizes, from largest to smallest.
• CE certified according the latest EN250A European Standards for all diving conditions, including extreme cold water.
• Weight (without mouthpiece): 216g.
• Airflow at 200bar: 1800 l/min - 64 SCFM.