Cressi Sub Ellipse Black / AC2 In-Line Piston Yoke Regulator
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|Shipping Weight||3 pounds|
Ellipse Black / AC2 is the most inexpensive regulator in the Cressi range.The Ellipse Black / AC2 2nd stage comes with the traditional Cressi AC2 piston 1st stage.Constantly reviewed over the years, this regulator has lots of admirers in the world due to the fact that it is extremely simple and strong, features that make it easy to use and result in lowcost maintenance.2nd stage Ellipse Black / AC2The body of the 2nd stage is small sized, made from hitech polymers and with a lateral valve downstream system with adjustable orifice, simple and extremely reliable.A flow of pilot air is channelled to the mouthpiece by injection, enhancing the performance. The 2nd stage comes with a a flow deviator that acts on the Venturi effect, with dive/predive function.In any case, performance levels are high, and it is suitable for any kind of dive.1st stageEllipse Black / AC2 comes with the traditional Cressi AC2 piston model. This is a nonbalanced first stage with such high performance that it can be compared to lots of excellent balanced models.The small number of components, the low weight and the excellent materials make it the strongest Cressi first stages, and the most steadfast to maltreatment, a real ldquo;working horserdquo; amongst regulators.An ingenious bush system allows easy and rapid external regulation of the intermediate pressure.It comes in three versions: INT, DIN 200 bar and DIN 300 bar.AC2 piston 1st stageWorking pressure (INT connection) 0232 barWorking pressure (DIN connection) 0300 barCalibration pressure 9.510 barCalibration adjustment range +/ 0.5 barAir supply 2100 l/min ()High pressure seats (HP) 1Low 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.