VLVREGULATING-A Valves, Regulating - Annual

Application:                                                Man Hours 1

This applies to single or double seated, diaphragm or spring loaded pilot
operated valves.

Items to Check & Initial Completion:

1. ___ Inspect for dirt collected at bleed port and restriction elbow.  Clean if
2. ___ Inspect joints for leakage.  Tighten all bolts
3. ___ Check for dust or other material on the upper face of the pilot pressure
       plate.  Clean if needed.
4. ___ Remove and clean line strainer (back-flush where possible).
5. ___ Inspect valve head and seats for nicks or abrasions.  Notify supervisor if
       valve requires regrinding.
6. ___ Inspect pressure reading against set point.
7. ___ Check for free operation of valve stem.
8. ___ Inspect condition of diaphragm.
9. ___ Inspect pilot line for leaks.
10.___ Clean up work area and remove all debris.

Tools & Materials:

1.  Standard Tool Kit    Plus Pipe wrenches to 24"
         Tubing cutters
         Flaring tool
         Small acetylene outfit
         Packing tool kit and packing
         3/4" socket set
         Crescent wrenches to 14"
2.  Cleaning equipment and materials.  Consult the Material Safety Data Sheets
    (MSDS) for hazardous ingredients and proper personal protective equipment

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