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Siemens SIPART PS2 Betriebsanleitung Seite 50

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Operating instruction
NOTICE
Spring return actuators need sufficient high supply pressure so that the complete stroke can be tra-
velled up to the end position of the actuator.
Restrictors
To increase the positioning times for fast actuators when necessary, the air flow can be reduced with the restrictors
Y1 and Y2 (only for double-action valves). Turning the restrictors in the clockwise direction reduces the air flow
until it is shut off. To set the restrictors we recommend closing them first and then opening them again slowly (see
Initialization RUN3). In case of double-action valves please note that both restrictors are set alike.
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SIPART PS2 EEx d FF
A5E00351419--01

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