AIR DELIVERY SYSTEMS

Quality Scuba and Snorkeling Equipment from MidCoast Scuba Center - Omaha, Nebraska

This system, addressed to demanding divers, combines SCUBAPRO’s top regulators for a flawless performance in any water conditions. The X-Series features airbalanced valve technology which provides constant & effortless air flow, while the diver adjustable inhalation control enables personal adjustment of breathing effort.

In a class of its own where ultimate function meets defining style, X650's unique design provides excellent ergonomics which reduces breathing effort. It requires less exhalation effort than any other second stage, thanks to its unparalleled air flow characteristics.

A high-end regulator engineered for exceptional diving at all depths, conditions and tank pressures.

A second stage regulator must translate natural breathing behavior into mechanical reality. A high quality second stage can significantly reduce stress and enhance diver safety by providing smooth, low-effort breathing response, resulting in ample yet controllable quantities of air.

These systems cater to passionate divers who demand flawless performance and total relaxation. The SCUBAPRO S-Series regulators feature air-balanced valve technology providing ultra-high airflow that remains exceptionally stable under all breathing conditions.

Our top performing balanced piston first stage paired with our high performance air balanced second stage; this combination is SCUBAPRO’s ultimate regulator combination. The S600T truly matches the MK25’s characteristics and thanks to its adjustment possibilities, it adapts to all diving conditions and all diver preferences. Ease of breathing is the essence of this system.

This system offers the same performance as the titanium version, but in a traditional brass construction material package:

Our top performing balanced piston first stage, paired with our S555 air balanced second stage, is the ideal choice for a diver wanting a high performance yet simple to operate system, remarkably durable and reliable.

S555 is a compact and lightweight air balanced second stage marrying advanced breathing performance with a captivating design. It increases fun and relaxation on every dive because it initiates air flow effortlessly and instantly on demand, independent of the tank pressure. As with all of the X and S series second stages, S555 features a super-flow hose for smooth air delivery.

MK17/S555 regulator system combines the air-balanced valve technology of the S-Series second stages with the sturdiness and excellent air flow of our top diaphragm first stage.
The ease of use of the S555 and its durability make it a suitable companion for the MK17, designed to perform in harsher environments. A system for any situation, coupling advanced breathing performance with maximum reliability.

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.

The MK11/S555 regulator system combines the air-balanced valve technology of the S555 with the reliability of a balanced diaphragm first stage. Two easy-to-use regulators come together in a low maintenance and highly enjoyable combination, ideal for temperate waters, providing smooth air delivery at all tank pressures.

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.

Air-balanced valve technology. The air-balanced valve technology of SCUBAPRO’s second stages features a balancing chamber in the second stage mechanism, slightly offsetting the force of the downstream air entering from the first stage. This allows reduced spring tension and decreases the inhalation resistance to the lowest possible level. The result is super smooth breathing in all conditions. The air-balanced valve technology is featured in the X and S-Series second stages. For best results they should be combined with balanced first stages, like the MK25 or MK17.

Venturi Initiated Vacuum Assist (VIVA). Another SCUBAPRO patented feature, the VIVA is available on all SCUBAPRO second stages. VIVA uses the power of a vacuum assist to reduce work of breathing and increase breathing comfort. It is diver adjustable on all current SCUBAPRO second stages except the R295, since it is a second stage intentionally designed for diver training courses, rental facilities, and divers demanding ready to use equipment. A VIVA in MAX position gives powerful breathing support on every single breath; a VIVA in MIN position helps to prevent free flow on the surface, for training, for buddy breathing, in currents, or when used as an octopus.

Orthodontic mouthpiece. SCUBAPRO uses a comfortable orthodontic mouthpiece on every second stage to reduce jaw fatigue and gum irritation. It was developed by dentists and dental laboratories and lasts longer than any other mouthpiece, because only a minimum effort is needed to hold it comfortably in place.

The SCUBAPRO “workhorse”, MK2 PLUS was first introduced onto the market in 1962. This classic downstream piston remains as popular as ever, especially in schools and training centers. The simplest first stage piston mechanism ever, with fantastic performance and easy maintenance. The MK2 PLUS comes in a very compact design for a simple and reliable package that remains unmatched.

A classic downstream piston coupled with a classic downstream second stage means reliability, durability and easy care. This is the system of choice for training centers as well as new divers. The R295 builds on the R190 core features and integrates a captivating compact design. Diving centers will appreciate a hassle-free fixed VIVA and left or right hose attachments for total flexibility of use, with low maintenance.

Contact Information

For information on any of our products, services, courses or trips please call or contact Terry Hurley using the information provided below.


MidCoast Scuba Center is the areas authorized ScubaPro dealer.		MK25 / X650	MK25T / S600T	MK25 / S600

MK25 / S555	MK17/S555	MK11 / S555	MK2 PLUS / R295	AIR 2