Samson 3963 Series, Монтаж и эксплуатация

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EB 3963 EN 15
Design and principle of operation
When the solenoid coil  is energized by
an electric binary signal, the outlet nozzle 
is closed by the flapper  against the force
of the spring  . This causes the pressure in
the pressure divider to rise above the activa-
tion pressure of the booster valve and
switches it to the operating position.
After the solenoid coil is de-energized, the
booster valve is switched to the idle posi-
tion again by a return spring.
Solenoid valves actuated on both sides
The solenoid valves consist of two electro-
pneumatic binary converters with (option-
al) manual override and a booster valve
actuated on both sides with two detent
positions or spring-centered mid-position.
The pilot supply for the electropneumatic bi-
nary converters is routed internally
through the booster valve (delivered
state). The solenoid valve can be converted
to accept an external pilot supply at port 9
by turning two gaskets.
The pressure reducer

reduces the pilot
supply pressure to 1.4 bar.
In the idle position, the flapper

is lifted off
the outlet nozzle by the spring

. As a re-
sult, a pressure lower than the deactivation
pressure of the booster valve builds up in
the pressure divider, which consists of the re-
strictor

and outlet nozzle

.
When the solenoid coil  is energized by
an electric binary signal, the outlet nozzle 
is closed by the flapper  against the force
of the spring  . This causes the pressure in
the pressure divider to rise above the activa-
tion pressure of the booster valve and
switches it to the operating position.
After the solenoid coil is de-energized, the
operating position of the detented booster
valve is kept until the opposing signal is
received. The spring-centered booster valve
is switched to the mid-position by a return
spring after the solenoid coil is de-ener-
gized.
A simultaneous control of the electropneu-
matic binary converter must be ruled out
on the electric control level.