MK25 EVO/S600HomeRegulatorsMK25 EVO/S600

Technical Information

First Stage MK25 EVO

• Air balanced flow-through piston in a chrome-plated brass body provides constant and effortless airflow unaffected by depth, tank pressure, or breathing rate
• Patented XTIS (Extended thermal Insulating system) thermally insulates the inner mechanism from the environment, improving cold-water resistance by 30% and delaying ice formation in extreme cold-water conditions without compromising breathing performance. Key insulation system components are visible in blue
• Spring insulating coating, body insulating bushing, anti-freeze cap, bigger body and cap thread all work in concert with the XTIS to improve cold-water performance
• Anti-freeze protection radically increases breathing reliability when diving in the most extreme water temperatures
• Two opposing high pressure ports allow the first stage to be positioned either up or down
• Four high-flow and one axial super high-flow low pressure ports on a swivel turret maximise hose routing options
• External intermediate pressure adjustment enables technicians to fine-tune performance quickly and easily
• Available in either 232bar INT or 300bar DIN configurations
• DIN version comes with a dual-compound wheel that features an ergo shape and softgrip on a rugged black nylon frame
• Airflow at 200bar: >8500 l/min
• Intermediate pressure: 9.0-9.8 bar

Second Stage S600

• Air-balanced valve smoothes out the inhalation effort when diving at varying depths and supply pressures
• Metal valve housing (barrel) is able to withstand years of aggressive diving
• User controls include a diver-adjustable inhalation effort knob and Venturi-Initiated Vacuum Assist (VIVA) dive/pre-dive switch
• Super-flow hose features an oversized bore that allows more air to flow on each inhalation
• Ultra-comfortable orthodontic mouthpiece is easy to grip yet doesn't inhibit airflow
• Airflow at 200bar: 1850 l/min

Combining SCUBAPRO's best-selling second stage and its top-performing first stage is a match made in diver heaven. The MK25 EVO offers excellent resistance to freezing, superb inhalation sensitivity and instant delivery of air on demand. The S600, with its rugged fiberglass rugged fiberglass reinforced nylon casing and stainless steel front face frontface, provides a steady, effortless flow of air, regardless of depth.