Fisher Lever-Lock Handlever Actuator
Fisher Lever-Lock handlever actuator is used for reliable manual operation of NPS 3 through 8 Fisher 8560 and NPS 3 and 4 A11 high performance Butterfly valves. Spring loading secures the handlever in the notched quadrant plate, allowing the valve disk to be locked in Positionings.
- Fisher Lever-Lock positioning device available for setting repeatable stops from 0 to 90 degrees rotation.
- Fisher Lever-Lock configuration offers positive on/off and intermediate locked positions for throttling control.