Declutchable Gearbox Operator
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Catalog excerpts

The DGO gear operator i s designed for use on butterfly valves, ball valves, a nd plug valves that utilize high pressure pneumatic actuators for o peration. The DGO is a de-clutcha ble operator for manually overriding the actuator. Small in volume, light w eight, reasonable design and novel pattern. There are a range of sizes so the output torque matches the size of the pneumatic actuator and valve. There are two keyways '90' apart in the inner hole of the worm gear to allow for easy orientation o f the valve. The g ear operator is filled with special lubricant before leaving the factory. It...

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