Manual valve gear operator
A manual gear operator transfers hand-applied motion through a gear mechanism to the valve stem or shaft. The section shows the transmission elements and housing. This assembly is
Specifications & order
Valve limit-switch assembly
The limit-switch assembly indicates when the valve mechanism reaches the end of its travel. The shown arrangement places position contacts beside the stem and operating assembly so mechanical movement can provide a status indication. Select the contact arrangement, signal type, environmental protection and mounting for the control system and valve. Position indication alone does not measure leakage or provide continuous flow regulation.
Technical specifications
| Function | End-of-travel indication |
|---|---|
| Signal | Position contact |
| Mounting | Matched to the valve mechanism |
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An electric operator drives the mechanism of an industrial valve. The shown assembly mounts the motor and motion-transmission unit above the valve stem, providing powered operation
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Valve chainwheel operator
A chainwheel allows manual valve operation from a position below or away from the handwheel. The illustrated chainwheel couples to the valve operating mechanism so that hand-applie
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