Gear
These actuators are equipped with worm gear units and have features including:
ANDRITZ NAF AB
NAF Control Valves
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Heavy-duty actuator for high-performance modulating control.
For manual operation of NAF valves. The levers include a locking device for infinitely variable locking.
A well-known alternative for on/off service. Robust design, low weight, and compact dimensions are features of this actuator.