Aluminum Quarter Turn Manual Valve Actuators – 9800 Series

Aluminum 1/4 Turn Gearboxes for Manual Operation

High strength aluminum alloy construction with 3 frame sizes up to 9000 in.-lbs. (1,000 Nm) of output torque. This all-purpose product line has long been a favorite of butterfly valve makers.

Output torques have a safety factor which allows the actuator to withstand occasional overloads of twice the rated torque. Mechanical efficiency is high which reduces the required input effort and small,space-saving handwheels can be used.  Two self-locking adjustable stopscrews give ±5°adjustment at each end of 90°travel and are sealed after adjustment.

The enclosure is fully weatherproofed using 'O' rings.  All rotating parts are grease lubricated for life.  External aluminum surfaces are protected with chromate finish;other protective coatings are available to suit particular applications.


9800 Series - Mastergear


Outline drawings for standard units are found below in pdf format.  Please inquire for 2D and 3D CAD files.

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