Made from Marine-Grade durable brass, the Cressi XS2/AC2 1st Stage Piston Regulator comes with a high-performance conical filter. The 2nd Stage XS2 housing features hi-tech non-corrosive polymer construction. It comes with a downstream demand dependable valve mechanism. Injection channels air flow towards the mouthpiece. During the channeling process, it creates a venturi impact for enhanced performance.
AC2 piston 1st stage Working pressure (INT connection) 0-232 bar Working pressure (DIN connection) 0-300 bar Calibration pressure 9.5-10 bar Calibration adjustment range +/- 0.5 bar Air supply 2100 l/min (*) High pressure seats (HP) 1 Low pressure seats (LP) 4
(*)values measured at LP seat outlet with second stage connected and 150 bar pressure in the cylinders.
XS2 2nd stage
Average inhale effort (*) 10 mbar
Average exhale effort (*) 13 mbar
Average breathing work (*) 1.4 J/l
Air supply 1050 l/m
Weight without hose 200 g
(*)values measured in compliance with UNI EN 250 standards.
I bought 2 of these for my small dive business in Maui. The regulator looks sharp, is a nice size and has a smooth inhale. The only thing that could be better is the mouth piece isn't as comfortable as it good be. But that's an easy fix. Aloha!
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