
1st STAGE AC2:
Simple piston 1st stage, a ‘work mule’ that is affordable,
simple, reliable and robust, suitable for intense use. This first
stage is appreciated by dive centers and professional companies who
consider it to be a very rentable tool, due to its low cost and
practically nonexistent need for maintenance, as well as a
surprising level of performance.
Conical filter with large filtering capacity, essential for
preventing infiltration of particles from the tanks.
This feature is especially important for regulators in dive
schools and rental agencies.
Air flow administered at 2100 l/min with an intermediate
pressure drop in intensive breathing (150 bar) 0.5-0.8 bar
(Measurement taken at an LP port with the second stage connected
and 150 bar pressure in the tank).
Exterior LP regulation via Allen key, greatly facilitates
managing adjustments and technical maintenance.
One 7/16 high pressure port (HP) and four 3/8 low pressure ports
(LP).
Complete maintenance kit which includes very affordable spare
parts. Weight: Int: 615 g / DIN 480 g
2nd STAGE XS COMPACT:
New ultra simplified monocoque second stage in ABS + elastomer,
small (6 cm in diameter), very light (145 g) and robust, designed
and built to have a minimum number of components.
It is a smart buy due to its combination of performance,
reliability, price and cost of maintenance.
It is perfect for uses requiring maximum reliability and is an
ideal travel regulator, given its lightness together with the the
1st stage MC5.
It is also perfect for dive centers, as a work regulator with
AC2, and as an addition to the high range MC9.
The specific calibration of the inhalation mechanism slightly
changes the air delivery as compared to the Ellipse series; the
feel and sensitivity of these models is exquisite, with an abundant
flow without needing to exploit the Venturi effect.
His feature adds a scant tendency to freeflow on the surface and
when positioning the equipment in the water, ideal for schools and
rentals, octopus and double regulator.
Nevertheless, the performance results put it at the top of the
highest range of regulators.
Asymmetrical perforation in the front cap.
The flow of the water starts to push the diaphragm
counter-clockwise so that its retraction is perfectly flat and the
cam progressively descends perpendicularly, independent of
conditions (currents, brisk movements, facial position, etc.).
Exhalation effort particularly reduced without having to reduce
the thickness of the diaphragm.
The design of the membrane retention system directs the 100%
channeled flow towards the nozzles of the bow, taking advantage of
a strong Venturi effect.
Also, it works to direct the bubbles away from the diver’s field
of vision.
Embedded membrane to avoid water infiltration in case of brisk
turns or jumps to enter the water.
Practically integrated purge button, between 80-400% larger than
that of any other regulator on the market to facilitate purging,
especially for beginning divers.
Cap system assembly by a 30 degrees bayonet turn, assuring very
safe and simple assembly-disassembly, also while cleaning out sand
on the beach, without the need of tools.
Reduced ageing due to usage thanks to the casing finish,
achieved by applying a new technology in the mold that creates a
variegated look on a micro-texture of rounded profiles.
Features:
TECHNICAL FEATURES 1ST STAGE
– Piston design
– 1 7/16 HP ports UNF
– 4 3/8 LP ports UNF
– Operating pressure:
INT version: 230 bar / 3,336 psi
– Calibration pressure:
9.8/10 bar / 142/146 psi
– Brass body Electroless Nickel plated
– High capacity conical fi lter
electroless nickel plated
– Long lasting piston: AISI 316 stainless steel
– Extremely easy in maintenance since IP
is adjustable from the outside
– Stainless steel spring
– Flow rate: 74.16 cu ft/min (2,100 l/min)
– Yoke version weight: 22.4 oz / 635 g
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TECHNICAL FEATURES 2ND STAGE
– Downstream system
– Adjustable Venturi effect
– Easy maintenance
– Weight without hose:
7.27 oz – 206 g
– Adjustable intermediate
pressure from the out side of the
regulator due to Cressi’s patented
ACs design
JACKETED HOSE
extremely light and flexible
weight: 5.4 oz – 153 g
CERTIFICATION
EN 250 2014 A>10 degreesC












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