Description

Used Scubapro MK25/S550 1’st and 2’nd Stage

This regulator system features a high flow first stage with an air balanced high performance second stage chosen by military divers for its durability, simplicity, and reliability.

Comes complete with:

• Scubapro MK25 Yoke 1’st Stage – Fully serviced
• Scubapro S550 Balanced 2’nd Stage – Full serviced
• Brand new braided (MiFlex) regulator hose
• We can package this to suit with octo/gauge/hoses, etc. – Contact OQ for details

MK25 First Stage

• An unfailing performance, due to patented design The MK25 first stage can accept all types of SCUBAPRO second stages, and will be your favorite for all diving experiences.
• Machined marine grade chrome plated brass body Excellent resistance to corrosion, long lasting, and excellent value for its price.
• Patented over balanced composite/stainless steel piston Faster dynamic response and extra high flow, ultra stable intermediate pressure at all tank pressure.
• Thermal Insulating System (TIS) on piston and spring Cold water resistant. Exceeds CE cold water diving requirements.
• Externally adjustable intermediate pressure (patent pending) Easy and fast adjustment by authorized technician.
• 5 High flow low pressure swivel ports Ergonomic distribution of the hoses for less jaw fatigue and full option for octopus and accessories.
• Dual high pressure ports Console or pressure gauge can be mounted either right or left hand.
• Available in 232 bar yoke.
• New wound conical single stainless steel wire filter Improved flow characteristics for absolute safety will prevent clogged filters from exploding.
• Enlarged water balancing chamber holes For cold water diving, improves heat transfer and increases resistance to freezing. Exceeds CE cold water norms at 300 bars.

S550 Second Stage

An air balanced high performance second stage chosen by military divers for its durability, simplicity, and reliability. This second stage is also preferred by sport divers and diving instructors that do not need external adjustment of inhalation resistance.

• Air balanced linear flow valve Highest performance in any condition.
• Precision molded carbon fibre/technopolymer valve housing and components Low friction, lightweight, corrosion and cold water resistant. Exceeds CE cold water norm.
• Diver adjustable VIVA Prevents free flow on surface for cold water diving or when used as an octopus or for buddy breathing.
• High flow exhaust valve Lowest exhalation effort for best breathing comfort.
• Lightweight orthodontically designed mouthpiece Designed for comfort as well as for reducing jaw fatigue and gum irritation.
• Compact design Lightweight for comfort and travel.