MK17 EVO/G260 System
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Scubapro MK17 EVO/G260 System

The ideal system for cold water or harsh conditions, tech divers and cave explorers just love this reg.

The MK17 EVO/G260 is ideally suited to technical as well as cave diving. The MK17 EVO is completely sealed off from the elements, ensuring trouble-free operation no matter how cold or murky the water gets. It is more compact yet delivers better breathing performance than its predecessor. Its improved internal design allows more airflow from the LP ports which have been reconfigured for better hose routing. Teamed with the venerable G260, this system can be relied upon to deliver top-of-the-line performance in the most extreme conditions.

Scubapro MK17 EVO - First stage:

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 / 2°C. 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.

• Balanced technology
  Provides consistent performance at all tank pressures, at any depth, and optimizes the second stage performance, for effortless breathing.
• 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.
• 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 below 0.49 J/L
• Full metal body 
  Components assure the best thermal exchange.
• Compact dimensions for lightweight comfort
• 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.
• Two High Flow low pressure ports
  The MK17 EVO feature four stationary low pressure ports, two of them High Flow. 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.
• Airflow
  At 200bar: 6900 l/ min - 230 SCFM.
• Approvals
  EN250: 2014 - CE Certification according to European directive 89/686/EEC. More information, See Scubapro Manual.

Scubapro G260 - Second Stage:

The G260 is a new Balanced Adjustable Second Stage featuring Metal Components for Excellent Cold Water Resistance (inlet tube, orifice, inhalation control knob and hose connector). Its High Performance makes it a choice for all Demanding Divers and it will be the natural choice for G250 fans. The new Left-Right Hose Attachment Option makes it ideally suited for Tech Diving Configurations. The G260 Air Balanced Flow Valve is made from Durable Corrosion Resistant Chrome Plated Brass. The G260 Regulator has a Diver Adjustable Inhalation Effort that allows Personalized Breathing Control and a Venturi Initiated Vacuum Assist (VIVA) to prevents Free Flow in Cold Water or when used as an Octopus.

• Ultimate in breathing sensitivity
  Nylon fiberglass design features Scubapro's largest second stage casing and diaphragm for the ultimate in breathing sensitivity, regardless of position in the water.
• Anodized aluminum front cover ring
  Adds resistance without adding weight.
• Metal components
  Provide increased resistance to freezing when diving in extreme water conditions.
• High-flow exhaust valve
  Reduces exhalation for better overall breathing comfort.
• Air balanced linear flow valve
  Air-balanced valve smoothes out the inhalation effort when diving at varying depths and supply pressures.
• Diver adjustable inhalation control
  A diver-adjustable inhalation effort knob fine-tunes air delivery to suit changing depths, water conditions and personal tastes.
• Diver adjustable VIVA
  Venturi-Initiated Vacuum Assist (VIVA) dive/pre-dive switch prevents free flows in cold water or when used as an octopus.
  
• Reversible hose attachment
  Allows you to easily adjust hose routing for tech diving configurations.
• Super-flow hose
  Features an oversized bore (larger inside hose diameter) that allows more air to flow on each inhalation
• Orthodontic mouthpiece
  Ultra-comfortable orthodontic mouthpiece is easy to grip yet doesn't inhibit airflow
• Weight
  275g.
• Airflow
  At 200bar: 1800 l/min - 64 SCFM.
• Approvals
  EN250: 2014 - CE  Certification according to European directive 89/686/EEC. More information, See Scubapro Manual.