Fisher® M Series handwheel gear actuators are totally enclosed, weatherproof, worm gear actuators for reliable manual operation with Fisher A11, A31A and A41 High Performance Butterfly Valves. The M actuator consists of a body housing, cover, worm gear, input shaft, and handwheel. The housing is grease packed.
Features & Benefits
Long Service Life—Rugged construction provides stability and corrosion resistance. The unit is totally enclosed for weatherproof operation.
Accurate Valve Disc Positioning—Two adjustable stops are located in the housing for correct adjustment of disc position. The actuator is inherently self-locking, unless subjected to high vibration.
Overtravel Capability—Provides for five degrees of overtravel in both directions for precise positioning of the valve disc.
M Series Manual Handwheel Gear Actuators for Fisher Butterfly Valves 107 KB
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