Flowserve PMV P4 - Manual (Page 15)

15
The standard built in dampers 5 located on the connecting block prov-ide a simple means of
adjusting the actuator travel speed.
For maximum actuator travel speed dampers shall be adjusted to mini-mum damping posi-
tion. (Fig).
Double acting actuators – adjust only OUTLET damper, set SUPPLY damper in minimum
damping position.
Single acting actuators – adjust both dampers for desired operation.
10. Dampers (P5/EP5)
5