Seac Sub SYNCHRO Serie Manuel D'instructions page 22

ty. The machined parts are then nickel and
chrome plated. The polished chrome outer
finish guarantees the first stage high resist-
ance to saline corrosion over time because
the extremely smooth surface allows ab-
solutely no anchorage.
Four low-pressure outlets with 3/8" thread
supply a constant pressure of 9.8 bar. The two
outlets near the separation diaphragm are
preferential and for maximum flow, while the
other two are advisable for the connection of
service hoses, like those for the jacket or the
dry suit.
There are two high-pressure outlets in lateral
positions (one to the right and one to the
left) with 7/16 " thread and 0.20 mm inner
hole. These high-pressure outlets may be used
to connect an underwater pressure gauge to
control the inner pressure of the tank being
used. This connection can be made with a
hose with a 7/16" threaded male end.
The M-SYNCHRO also features a new con-
necting YOKE (Fig. 1).
The round shape and the technical details
make it extremely strong and functional,
adaptable to any type of valves.
gonomic locking handle (Fig. 2) allows safe
blocking of the yoke without needing to use
excessive force; the movement to loosen the
handle when disassembling the regulator will
be just as easy
The intermediate pressure exiting the first
stage is 9.8 Bar. Periodic control allows the
correct functioning of the regulator over
time, maintaining its performance character-
istics. For this purpose, we recommend care-
fully following the maintenance instructions
below.
Warning!
Use only CE certified pressure gauges provid-
ed with standard thread. Do not use any type
of adapter between the first stage and the
high-pressure hose connection.
The M-SYNCHRO first stage is implemented in
the following versions:
International YOKE connection
12209-1 230 BAR)
THREAD connection (ISO 12209-2/3.5; 230
BAR )
P-SYNCHRO REGULATOR
The simpler of the SEACSUB first stages has its
strong points in its lightness and ease of
maintenance. Its features place it fully within
the strictest parameters required by European
standards, allowing the ability of this model
for use in cold waters. This most recent and
important technical recognition allows the
regulator an ample range of use and the pos-
sibility to carry out high-level sport diving
with the maximum peace of mind under any
environmental conditions.
Its functioning is ensured by a conventional
piston inside an integrated brass chamber
with three layers of electro-galvanized coat-
ings for a total thickness of 12 -15 microns.
The internal parts are always in chrome
and/or nickel-plated brass with harmonic
stainless steel springs and nitrile rubber gas-
kets.
Eight slots on the head of the piston chamber
allow an immediate and constant compensa-
tion of the pressure while facilitating the pas-
The er-
sage of water. This latter technical feature
further facilitates proper functioning in cold
waters.
Even the P-SYNCHRO YOKE version has a new
ergonomic yoke equipped with the new spe-
cially designed blocking knob.
Four low-pressure outlets with a 3/8" thread
provide a starting pressure of about 10 bar;
there is also a high-pressure outlet with a
7/16" thread and inner hole with a diameter
of 0.20 mm. This high-pressure outlet can also
be fitted with an underwater pressure gauge
by means of a hose with a male 7/16" termi-
nal. Particular care was taken in positioning
the various outlets with angles studied specif-
ically to give the correct curvature to each
hose connected.
The protective rubber hood at the base of the
regulator will protect it from damage caused
by accidental impacts (Fig. 4).
(ISO
Fig. 4
FIRST STAGE
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