Function - GF DIASTAR Serie Manual Instrucciones

Design and function
4.2

Function

FC-mode
In the non-operative state,
the valve is closed with
spring force. When the
actuator is pressurised
with the control medium
(bottom connection), the
valve opens. When the
control medium escapes,
the valve is closed via
spring force.
Solenoid pilot valve and matching connection thread
FC mode of operation with
a 3/2-way solenoid valve
for bottom connection
Information regarding connection, see chapter 6.4 Connecting control
medium as well as the subchapters
6.4.1 Diaphragm valve with FC function
6.4.2 Diaphragm valve with FO function
6.4.2 Diaphragm valve with DA function
FO-mode
In the non-operative state,
the valve is open with
spring force. When the
actuator is pressurized
with the control medium
(top connection), the valve
closes. When the control
medium escapes, the
valve is opened via spring
force.
FO mode of operation with
a 3/2-way solenoid valve
for top connection
Instruction Manual
DA-mode
The valve has no defined
basic position. The valve is
opened and closed by
applying control pressure
to the corresponding
connection (top
connection for closing,
bottom connection for
opening).
The DA-mode of operation
with a 4/2- or 5/2-way
solenoid valve. Both
connections are used.
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