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ScubaPro MK17/A700 Balanced Scuba Diving Regulator (Din Version Sold as Separate units )

Cold water divers or those frequenting harsh environments will appreciate this perfectly matched pair.

The A700 is a complete complement to SCUBAPRO’s MK17, a high performing balanced diaphragm first stage, engineered exactly for such conditions.

Full-metal body and components contribute to less risk of freezing and the MK17 is environmentally sealed so water cannot enter the inner mechanism.

  • Balanced technology provides consistent performance at all tank pressures, at any depth, and optimizes the second stage performance, for effortless breathing
  • Dry ambient pressure chamber provides better protection and performance in cold water
  • Polished chrome edition available exclusively with the A700 second stage
  • Unparalleled breathing performance for the A700 at virtually any depth, temperature, and diving position
  • Work of breathing results are 0.49
  • Full metal body and components assure the best thermal exchange
  • Compact dimensions for lightweight comfort

MK17 Features
  • Two opposite high pressure ports- The arrangement of high and low pressure hoses is crucial to diving comfort.
  • Two opposite high pressure ports allow for an individual positioning of the first stage (pointing up or down).
  • This allows the diver to position the gauges either on the right or left side and increases the freedom of movement for head and neck.
  • Multiple low pressure ports- For ultimate freedom in the arrangement of low pressure hoses, the MK25 accommodates five HF (high flow) ports on a swiveling turret, which allows for 360 degree swivel of hoses.
  • The MK17 and MK11 feature four stationary low pressure ports, two of them HF.
  • High flow ports deliver about 15% more air than conventional ports.
  • DIN/INT first stage configurations- To ensure worldwide compatibility, all SCUBAPRO regulator systems are available in a 200bar INT version as well as 300bar DIN versions.
  • Externally adjustable intermediate pressure- Allows authorized SCUBAPRO service technicians to quickly fine tune or make adjustments after maintenance without the need to disassemble the first stage.

Cold Water Diving With SCUBAPRO:

Diving conditions can be drastically different, including extreme cold water and outside temperatures, posing the possibility of a regulator "freezing". Therefore, resistance to freezing is imperative for the diver.

All SCUBAPRO regulator systems are CE approved for 4300psi cold water diving. Some models go even beyond this super stringent qualification and have successfully been tested in extreme cold diving conditions at less than 36°F.

As a specific anti-freezing measure, SCUBAPRO engineers have designed a patented finned cap for both the MK17 and the MK25 first stages for optimal cold water diving. The ribs act as a radiator to increase the surface area of heat transfer from the water to warm up the internal parts that have been drastically cooled down by the gas pressure drop.

On the MK17, a dry ambient pressure chamber enhances the resistance to real ice cold water at any depth compared to other dry chamber diaphragm first stages. For cold water diving, SCUBAPRO’s second stages feature precision molded carbon fiber and technopolymer valve housing and components. They even exceed the CE cold water norm. In addition, these components contribute to their lightweight features and corrosion resistance.

A700 Features
  • Unparalleled breathing performance at virtually any depth, temperature, and diving position
  • Full-metal body and components assure best thermal exchange
  • Compact dimensions for lightweight comfort
  • Air-balanced valve technology decreases inhalation resistance to the lowest possible, resulting in ultra-smooth breathing
  • Diver-adjustable inhalation enables personalized breathing control
  • Newly aligned VIVA system with micrometric adjustment knob for more precise control and comfort
  • Super high-flow exhaust valve allows air to exit more freely and lowers exhalation effort-helps keeps bubbles away from face and eyes


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