Installa on, Opera on and Maintenance Manual ManA ‐en Rev.03/2018
Page 6
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3.02 DIRECT ACTUATOR/REVERSE ACTUATOR
In the direct-action actuator the increase of the control signal lets the stem go out (1) (Pic.7 and 9)
In the reverse-action actuator the increase of the control signal lets the stem go in (1) (Pic.8 and 10)
Pic. 7 Direct-action actuator
Pic. 8 Reverse-action actuator
Pic. 9 Direct-action ON/OFF actuator
Pic. 10 Reverse-action ON/OFF actuator
1
1
1
1
