MK25/A700HomeRegulators

Technical Information

MK25 First Stage

• Air balanced flow-through piston
• Chrome plated brass body
• Anti-Freeze protection
• Externally adjustable intermediate pressure
• Low pressure ports: 5 on swivel turret
• High pressure ports: 2
• Tank connection: INT 232 bar / DIN 300 bar
• Weight: INT 232 (g/oz): 790 / 27.9 /DIN 300 (g/oz): 572 / 20.1
• Air Flow at 200 bar (l/min / SCFM): >8500 / 301
• Intermediate pressure (bar/psi): 9-9.8 / 130-142

A700 Second Stage

• Air balanced valve
• Coaxial flow
• Diver-adjustable inhalation effort
• Diver-adjustable Venturi-Initiated Vacuum Assist (VIVA)
• Super-flow hose
• High comfort orthodontic mouthpiece
• Full metal case
• Full metal valve housing
• Weight: 265g / 9.3oz
• Air flow at 200 bar: 2000 l/min - 71 SCFM
• Maximum low pressure: 14 bar / 203 psi

The MK25 teamed with our exceptional new A700, offers a superior ultra-high airflow system for maximum performance in all temperatures and diving conditions.

SCUBAPRO is synonymous with piston-controlled first stages. Our MK25 underscores this heritage with an array of patented features and an ultra-stable intermediate pressure for an extremely efficientl and consistent high delivery of air.

• The MK25 balanced piston first stage is our absolute top performer, making this system our very best.
• Air balanced flow-through piston provides constant and effortless air flow unaffected by changing tank pressure.
• Newly polished chrome edition, available uniquely with the A700 system, features 5 low pressure and 2 high pressure ports, plus a swiveling turret for convenient arrangement and personalisation of your gear.
• Anti-freeze protection for all diving temperatures and externally adjustable intermediate pressure for easy maintenance.
• Available in either 232bar INT or 300bar DIN configuration.