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MK25 Evo /S620t


Price: $819.00
Item Number: 12.620.000

First Stage

  • 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.
  • 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 maximize hose routing options.
  • External intermediate pressure adjustment enables technicians to fine-tune performance quickly and easily.
  • Available in a 3364psi/232 bar INT configuration.
  • Airflow at 2900psi/200bar: (l/min/SCFM): >8500/301.
  • Intermediate pressure (psi/bar): 133-142/9.2-9.8.
  • Weight: INT 232 (oz/g): 27.9/790.


Second Stage

  • Air-balanced valve smoothes out the inhalation effort at varying depths and supply pressures.
  • Rugged reinforced technopolymer case and front cover with stainless steel frame looks good plus is able to withstand years of aggressive diving.
  • Titanium barrel is rugged, anti-corrosion and lightweight for long-term reliability.
  • Large diaphragm fits inside a more compact casing for maximum breathing sensitivity.
  • User controls include an easy-grip diver-adjustable inhalation effort knob and Venturi-Initiated Vacuum Assist (VIVA) lever.
  • New exhaust tee increases performance while directing bubbles out of the field of view.
  • Newly designed Compact Hi-Flow mouthpiece, exclusive to the S620 Ti, is mounted on an enlarged mouthpiece pipe to improve airflow as well as mouth comfort.
  • Super-flow hose features an oversized bore that allows more air to flow on each inhalation.
  • Specific matching colors (blue, pink, yellow, purple, white and orange) on mouthpiece and hose protector are available as an accessory.
  • Weight (without mouthpiece): 6.3oz/179g.
  • Airflow at 2900psi/200bar: 1850 l/min - 66 SCFM.

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