fra0502
plumbing05.htm Plumbing

About Lifelong Learning - Contact Us - DonateFree-Ed.Net Home   Bookmark and Share

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

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

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

Figure 13. Cross Section of Swing Check Valve

SWING CHECK VALVE MALFUNCTIONS AND REPAIRS

NOTE: If valve cannot be repaired, replace it.


David L. Heiserman, Editor

Copyright   SweetHaven Publishing Services
All Rights Reserved

Revised: June 06, 2015