Fisher M series handwheel gear actuators are totally enclosed, weatherproof, worm gear actuators used for reliable manual operation with Fisher A11, A31A, and 8560 high performance Butterfly valves. The M series actuator consists of a body housing, cover, worm gear, input shaft, and handwheel and the housing is grease-packed.

Actuation

Quarter-turn, Manual

Certifications

PED, CUTR, ATEX

Control Type

On/Off, Positioning

Operating Temperature

Standard Temperature

Power Source

Manual

Process Control

On/Off, Positioninging, Positioning

Valve Type

Ball Valve, Butterfly Valve, Eccentric Plug Valve, Triple Offset Valve

Other Configurations

Contact your local Emerson business partner or sales office to learn about additional specifications or options for this product.

Features

• Rugged construction provides stability and corrosion resistance. The unit is totally enclosed for weatherproof operation.
• Two adjustable stops are located in the housing for correct adjustment of disk position. The actuator is inherently self-locking, unless subjected to high vibration.
• Provides for five degrees of overtravel in both directions for precise positioning of the valve disk.