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AC25 Cromo / Master


AC25 Cromo / Master

Stock No.  AC25MASTER
AU$ 1,199.00
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The AC25 is the third generation of Cressi’s IP adjustable balanced piston first stage. It features 2 high-pressure ports and 5 lowpressure ports. 4 low-pressure ports are located on a rotating turret that ensures that regulator and instrument connections are always in the right position. The fifth port is a co-axial Hi-Flow port and is located at the top of the turret.

The rotating turret swivels on 360° axis and features 5 low-pressure ports designed to allow the use of more connections without interfering between them. It features the external direct IP adjustment system that can be set using a simple Allen key. The hi-flow conic shape filter is the same for INT and DIN. The spring and the spring bush are coated preventing rust. Its technologically advanced design delivers consistent intermediate pressure and high performance even with low tank pressures. The AC25m it features a matte finish, in gun metal-coated brass.

It is combined with the Master Cromo, the pneumatic balanced 2nd stage that features an elliptical shape and a lateral knob for Venturi adjustment.

If the AC25 looks very familiar, then that's because it is!  If you've already looked at the Halcyon H75, or the Scubapro Mk25, then the shape and features of this first stage will ring a bell.  However what you likely haven't seen yet is a combination with a second stage offering the best work-of-breathing on the market, and a price point which makes the others look overpriced by comparison!

Put simply, if you want a turreted reg, ideal for routing twin tanks or sidemount setups, with a top quality second stage, then look no further than the AC25-Master combo.  This unit has everything you need from your 1st and 2nd stages, at a highly competitive price.


  • 3rd generation cressi’s ip adjustable balanced piston fi rst stage
  • 2x 7/16” hp ports unf
  • 5x 3/8” lp ports unf, 1 port on turret top
  • Operating pressure:
    Int version: 230 bar | 3,336 psi
    Din version: 300 bar | 4,351 psi
  • Calibration pressure: 9.8÷10 bar | 142÷146 psi
  • 360° revolving head
  • Realized in brass-coated, with a matte finish
  • The centered conical filter protects from any impurity


  • Pneumatically balanced
  • Adjustable venturi
  • Adjustable inhalation effort
  • Patented elliptical diaphragm
  • Patented low-friction lever
  • Air delivery system without injector
  • Adjuster knob coated with pvd process
  • Internal heat exchanger
  • Cap opening with cam-lock
  • Noise-absorbing technopolymer body
  • Removable technopolymer deflector
  • Removable mechanics
  • Weight without hose: 207 gr
  • Combination performance
  • Average breathing effort 0.78 j/l
  • Jacketed hose extremely light and flexible weight: 153 gr
  • Certification en250/2014 a>10° c


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