Emerson Bettis RTS Service Manual - Page 15
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Service Manual
VCIOM-16909-EN Rev. 0
4.1.2
Direction of rotation of handwheel for closing the valve,
Fail-safe direction "CCW"
Figure 5
Manual Actuator Operation Under Maintenance
Section 4: Manual Actuator Operation Under Maintenance
Rotation of direction for fail-safe direction "CCW"
handwheel
direction of
rotation:
Closing
handwheel
direction of
rotation:
Closing
fail-safe open
z14 (z12)
fail-safe close
z14 (z12)
October 2021
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