Mounting To Quarter Turn Actuators; Preparation Of The Valve Actuator - Gemü 1435 ePos Kurzanleitung

2.2
2.2.1
1. Actuator must be in zero position (actuator vented). Double acting actuators should be
moved to the valve "CLOSED" position.
2. Remove the screw which retains the optical position indicator.
3. Determine the turn direction of the actuator (seen from above the turn direction of the
actuator must be anticlockwise when the actuator moves from the CLOSED to the OPEN
position).
Potentiometer shaft marking
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Mounting to quarter turn actuators

Preparation of the valve actuator

Actuator
Butterfly
valve:
open
Adapter marking
Pneumatic connection
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Rotary
potentiometer
Butterfly
valve: closed
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Actuator shaft (from above)
Rotary potentiometer shaft
Adapter
Rotary potentiometer connection
Butterfly disc: closed
1435 ePos ®