• -€86.00


SCUBAPRO's newest innovation is the patent-pending Extended Thermal InsulatingSystem (XTIS). XTIS ushers in a new era of freeze protection in the diving industry. Available on EVO first stages, XTIS completely isolates the internal mechanical components to ensure additional protection.

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Technical data

MK25 EVO first stage

  • The pneumatically balanced flow-through piston, in a chrome-plated brass body, provides smooth, consistent airflow regardless of depth, tank pressure and breathing rate.
  • The Extended Thermal Insulating System - XTIS (patent pending) completely isolates the internal mechanism from the environment, improving cold water resistance by 30% and delaying ice formation in extremely cold water conditions, without compromising performance breathing. Key components of the isolation system are highlighted in blue.
  • The new spring-loaded insulator, body insulator bushing, anti-freeze cap, larger body and cap thread combine perfectly with the XTIS system to improve cold water performance.
  • Anti-freeze protection significantly increases breathing reliability when diving in extremely cold water.
  • Two opposing high pressure outlets allow the first stage to be positioned high or low.
  • Five high-flow low-pressure outlets on a rotating turret maximize hose placement options.
  • External intermediate pressure adjustment allows engineers to fine-tune performance quickly and easily.
  • Available in 3364 psi/232 bar INT or 4350 psi/300 bar DIN configuration.
  • The DIN version features a new dual-compound wheel featuring a new ergonomic shape and a soft grip on a sturdy black nylon frame.
  • Airflow at 2900 psi/200 bar: (l/min/SCFM): >8500/301.
  • Intermediate pressure (psi/bar): 130-142/9.0-9.8.

Specific References