R
EGULATORS
Comfo-Bite® Mouthpiece (Fig. 4) >
R
EGULATORS
User Adjustment Knob (Fig. 2) Venturi Adjustment Switch (V.A.S.) (Fig. 3) The patented bridge on this mouthpiece fits lightly across
the roof of the mouth eliminating the need to clench yourteeth.This results in less jaw fatigue and makes diving much
more comfortable. >
Aqua Lung, the name itself is associatedwith the creation of scuba diving.And like
every great innovator,we recognize that
progress is made through continuous
evolution. Each new Aqua Lung regulator
builds on the inherent qualities of its
predecessor while implementing the
latest advances in design and materials.The Legend series of regulators are theculmination of Aqua Lung’s regulator
design and manufacturing expertise.When Aqua Lung started thedevelopment plans for what would
eventually become the Legend regulatorseries,we set out to make the bestbreathing regulator we had ever
produced.We committed all of thecompany’s resources and expertise tomeet this goal and succeeded. Simply
stated, the Legend series are some ofthe best performing regulators everintroduced to the diving community.
This knob allows you to tune the regulator for your
personal needs. For example, when the regulator is out ofthe mouth such as on a surface swim, the knob can be turned
in to decrease sensitivity.When diving to greater depths, the
knob can be turned out all the way to compensate for the fact
that the air is more dense. Air circulating in the
second stage creates a strong venturi
effect that assists you during the inhalation process.Theaddition of an external venturi adjustment switch allows our
engineers to maximize the strength of the venturi for ease of
breathing, while allowing you to control it to prevent air from
escaping when the unit is out of your mouth, such as on a
surface swim. >
FIRST STAGE second stage
In an unbalanced second stage the valve which controls
the flow of air works against a spring. In order to open thevalve, the diver’s inhalation force needs to counteract the spring
force. In a balanced second stage the intermediate pressure
coming from the first stage is used to counterbalance the spring
force, substantially reducing the amount of effort required to
open the valve.This results in a second stage that is much more
responsive to inhalation effort and breathes very smoothly,
especially at depth. Auto Closure Device (ACD) Balanced Second Stage (Fig.1) This system automatically protects your first stage from the
environment as soon as it has been disconnected from the
cylinder valve. If it is stored without its dust cap the inside
of the first stage is protected against corrosion and foreign
bodies. However, use of the dust cap is recommended to
prevent damage due to impacts.- ACD affords the greatest protection against water entry- ACD affords the greatest protection against contamination
ACD is an improved safety measure. It is available in DIN
300B and Yoke 232B versions throughout the LEGEND
range. Diaphragm First Stage Over-Balanced Diaphragm First Stage DIN Fitting Diaphragm mechanisms are time-proven, high-
performance designs. By the nature of their design, allmoving parts are protected from the environment.The small
components reduce internal friction to allow optimal
performance. These first stages perform consistently
throughout the dive regardless of depth or cylinder
pressure. As you descend with an over-balanced first stage, the
medium pressure in the hose actually increases at afaster rate than the traditional balanced models. This
increased medium pressure compensates for the increased
density of your breathing gas at deeper depths.The result is
superior breathing regardless of depth. This fitting is available for all our models.The regulator can
be used with 200 bar or 300 bar valves.The 300 bar
connections are available on Legend. Air Turbo System The Air Turbo System is a passageway between the
port area and the diaphragm chamber. It allows themain diaphragm in the first stage to immediately sense a
pressure drop due to inhalation and react faster causing the
first stage valve to open sooner.The result is a very
responsive regulator that can keep up with the most
rigorous demands. >
Fig 1Fig 2
Fig 3Fig 4 23