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Unit I: Legends,
| REPAIRING VALVES Gate, globe, and check valves should be inspected periodically for leaks and proper operation. If a leak is found or the valve operates improperly, the problem is located. A repair is made to restore the valve to a serviceable operating condition. See figures 11, 12 and 13.
Figure 11. Croll Section of Gate Valve GATE VALVE MALFUNCTIONS AND REPAIRS
NOTE: If the valve cannot be repaired, replace it.
Figure 12. Cross Section of Globe Valve GLOBE VALVE MALFUNCTIONS AND REPAIRS
NOTE: If valve cannot be repaired, replace it.
Figure 13. Cross Section of Swing Check Valve SWING CHECK VALVE MALFUNCTIONS AND REPAIRS
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| Most of the content of this course is provided courtesy of US Army Engineer School, Fort Leonard Wood, Missouri |
Copyright � David L Heiserman |
