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FIRST STAGES
1.1. - T10 – T10 S.C. balanced diaphragm first stage
The T10 balanced diaphragm first stage offers a compact and
light structure protected with a special and innovative PVD (Phys-
ical Vapor Deposition) treatment obtained by depositing physical
vapor used to create an exceptionally resilient protective surface
coating with extraordinary chemical-physical characteristics, as
well as giving a particularly pleasant aesthetic and extremely tech-
nical appearance.
The ergonomics of the T10 balanced diaphragm first stage pres-
ents the functioning mechanism arranged perpendicular to the
air entry axis that thereby forms a “T” profile designed to guaran-
tee perfect arrangement of the HP and LP hoses, avoiding inter-
ference with the equipment connected to the first stage; reduced
size (particularly used in the SC version particularly suited to cold
water), as well as additional inspection capacity and access to the
HP valve mechanism to simplify maintenance and disassembling
of the regulator.
It provides outstanding respiratory performance, constant in any
use condition, thanks to the compensated diaphragm mecha-
nism that enables maximum respiratory comfort to be obtained
during any dive phase, from the surface to maximum depths.
In fact, the regulator provides the same intermediate pressure in-
dependent of the pressure contained in the tanks and maintains
performance at any depth.
Contrary to most regulators currently on the market, offering op-
timum performance when the tank is full at maximum working
pressure, the T10 first stage was designed to offer optimum per-
formance when the tank is close to empty.
This “hyper balancing” feature was possible using a system
that adapts intermediate pressure taking into account the air den-
sity as the depth increases and the progressive increase in pres-
sure drop as the tank empties.
Thanks to this feature, the T10 first stage assists the diver in the
dive, guaranteeing the highest working performance which in-
creases further during the notoriously critical surfacing phase of
surfacing.
The compensated diaphragm mechanism phase, with a "T" air
entry, or rather the HP valve arranged perpendicular to the air
entry axis further guarantees considerable passage of air quan-
tity with a pressure drop, between the inhalation and exhalation
phase, which is reduced considerably.
These characteristics are the result of innovative technical solu-
tions in the design and make the 1st stage among the smallest
and lightest regulators on the market and one of the top per-
forming in its category.
In this first stage (Fig. 1), the flexible diaphragm protects and seals
the mechanism inside the system and transmits pressure varia-
tions in the water to the high pressure valve.
fig. 1
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