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MK25 AF + S555

Manufacturer: Scubapro

MK25 AF + S555

The MK25 first stage offers state-of-the-art technology and quality. It offers an amazing 10,000 litres per minute (instantaneous flow), which means this first stage is up to any task you ask of it in almost any diving situation. It is incredibly reliable in cold water and is as versatile as the divers who use it.
This first stage boasts of a machined, marine-grade chrome-plated brass body, which means it is tough. The MK25 is highly resistant to corrosion and promises to be your work horse for MANY, many dives. Ideally suited to cold water diving, improves heat transfer and increases resistance to freezing. Exceeds CE cold water norms at 300 bars. Key Features of the MK25.

  • An unfailing performance, due to patented design.
  • 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 pressures.
  • 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 authorised 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 handed.
  • Can be used both with DIN and A-clamp cylinder valves.
  • Versatile use depending on geographical region.
  • 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


S555 Second Stage. A powerful all rounder, an air balanced high performance second stage. The ideal choice for a diver wanting a high performance yet simple to operate second stage, that is remarkably durable and reliable in cold water.
  • Air balanced linear flow valve
  • Precision moulded carbon fibre/technopolymer valve housing and components
  • Compact design
  • Diver adjustable VIVA
  • High flow exhaust valve
  • Lightweight orthodontically designed mouthpiece.
  • Compatible with MK25 and MK17 first stages

    Our Price: £301.49 (Including VAT)
    RRP: £339.00 (Including VAT)


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