SCUBAPRO MK25 EVO DIN 300 First Stage Regulator.

The SCUBAPRO MK25 EVO first stage lets you enjoy an ultra-fast breathing response, instant delivery of air on demand, great sensitivity and extra-high airflow regardless of how cold the water is.
Air-balanced flow-through piston design provides constant and effortless airflow unaffected by depth, tank pressure, or breathing rate.

SCUBAPRO’s exclusive patented Extended Thermal Insulating System (XTIS) makes this possible by fully isolates the mechanical elements of the first stage from the cold, increasing its freezing resistance 30 percent over previous versions of the MK25 without compromising breathing performance. This makes the MK25 EVO the ultimate do-it-all first stage for all water temperatures.
Two high pressure and five 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.

SCUBAPRO MK25 EVO DIN 300 First Stage Regulator Features

• 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) fully isolates the mechanical elements from the cold, increasing freezing resistance 30 percent over the previous MK25 without compromising breathing performance. Key insulation system components are visible in blue.
• New spring insulating coating, body-insulating bushing, anti-freeze cap, bigger body and cap thread all work in concert with the XTIS to improve cold-water performance.
• 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.
• Five 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 either 3364psi/232bar INT or 4350psi/300bar DIN configurations.
• Weight: INT 232 (27.9 oz / 790g): or DIN 300 (20.1oz / 570g).
• Airflow at 2900psi/200bar: (l/min/SCFM): >8500/301.
• Intermediate pressure (psi/bar): 133-142/9.2-9.8.

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SCUBAPRO MK17 EVO DIN 300 First Stage Regulator.

The SCUBAPRO MK17 EVO is completely sealed off from the elements, ensuring trouble-free operation no matter how cold or murky the water gets. This new version is more compact than its predecessor yet delivers better breathing performance. Its improved internal design allows more airflow from the LP ports, which have been reconfigured for better hose routing.

SCUBAPRO MK17 EVO DIN 300 First Stage Regulator Features

• Air balanced diaphragm delivers constant and effortless airflow unaffected by depth,tank pressure, or breathing rate.
• Environmentally sealed system prevents water and pollutants from fouling the innermechanism.
• Dry ambient pressure chamber increases freezing resistance, ensuring consistent airflow in the coldest conditions.
• Improved airflow on all LP ports.
• External intermediate pressure adjustment enables technicians to fine-tune performance quickly and easily.
• Available in either 232 bar INT or 300 bar DIN configurations.
• DIN version comes with a dual-compound wheel that features an ergo shape and soft grip on a rugged black nylon frame.
• Airflow at 200 bar: 6900 l/min.
• Intermediate pressure: 9.0-9.8 bar.

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SCUBAPRO MK2 EVO DIN 300 First Stage Regulator.

For decades the classic downstream piston MK2 has been diving’s go-to workhorse first stage. It is reliable, easy to use and won’t put too big a dent in your pocketbook, and now it’s more versatile than ever.
The new SCUBAPRO MK2 EVO comes with the patent-pending Extended Thermal Insulating System (XTIS) that lets you enjoy an ultra-fast breathing response and maximum airflow with minimal effort — regardless of how cold the water is. The XTIS makes this possible by fully isolating the mechanical elements of the first stage from the cold, increasing freezing resistance by an average of 50 percent over the current MK2.
The MK2 EVO is also more compact than the standard MK2, yet has a bigger piston that pumps out 15 percent more airflow from a smaller package. So you can expect top-notch breathing performance whether you’re reef diving in the warm Caribbean or wreck diving in the chilly Great Lakes.

SCUBAPRO MK2 EVO DIN 300 First Stage Regulator Features

• Classic downstream piston design features a chrome-plated brass body with one high pressure and four low pressure ports.
• Patent pending XTIS (Extended Thermal Insulating System) fully isolates the mechanical elements from the cold, increasing freezing resistance by an average of 50 percent.
• Additional internal technical improvements include a new spring insulating bushing and coating, a new insulating piston bushing, a new insulating sleeve and a new antifreeze cap, all of which contribute to the increase in freezing resistance.
• Oversized piston provides better breathing performance by increasing airflow by 15 percent.
• Smaller chrome-plated brass body results in a lighter, more compact first stage.
• Stainless steel removable orifice allows for easier maintenance while extending regulator life.
• Available in either 3364psi/232bar INT or 4350psi/300bar DIN configurations.
• Meets new EN250-2014 standards for cold-water breathing performance.
• Weight: INT 230 – 24.9oz/706g; /DIN 300 – 17.1oz/485g.
• Airflow at 2900psi: 2600 l/min – 92 SCFM.

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