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MK25- Air balanced flow-through piston - First stages
with air balanced pistons deliver significantly more air to the second
stage than any other first stage, while their performance is totally
unaffected by the changing tank pressure. A balanced piston allows the
use of lighter and more sensitive components, resulting in ultra fast
breathing response, instant delivery of air on demand, and extra high
air flow, especially in low tank pressure ranges. The tired diver
benefits from a smoother breathing regulator during the ascent or deco
stop. Balanced piston first stages are the first choice of demanding
sport divers and professionals. A balanced piston performs equally in
warm and cold water environments.
- 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- 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
| MK25 |
| Air balanced flow-through piston:
|
Yes |
| Classic downstream piston
:
|
No |
| Balanced diaphragm:
|
No |
| Chrome plated brass body:
|
Yes |
| Full titanium body:
|
No |
| Anti-freeze protection:
|
Yes |
| Dry chamber:
|
No |
| Low pressure (LP) ports:
|
5 |
| High pressure (HP) ports:
|
2 |
| Swivelling turret with LP ports:
|
Yes |
| INT 232bar:
|
Yes |
| DIN 300bar:
|
Yes |
| Dedicated Nitrox EN144-3 DIN 232bar:
|
No |
| Externally adjustable intermediate pressure:
|
Yes |
| A700 |
| Air balanced valve technology:
|
Yes |
| Classic downstream valve:
|
No |
| Precision molded carbon fiber and technopolymer housing :
|
No |
| Titanium components:
|
No |
| Nitrox compatible up to 100% oxygen concentration:
|
No |
| Divers adjustable inhalation effort:
|
Yes |
| Divers adjustable VIVA (Venturi Initiated Vacuum Assist):
|
Yes |
| Pre-tuned system:
|
No |
| Sturdy super-flow hose with kevlar lining for extra durability and flawless air delivery:
|
No |
| High comfort orthodontic mouth piece:
|
Yes |
| Super high flow:
|
No |
| High flow:
|
Yes |
| Left and right attachment for extra convenience:
|
No |
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