11
ENGINEERED VALVES
Valve Cleaning
Steps Procedure
1. Inspect valve.
Inspect:
Seat injection fittings.
Stem injection fitting. (Do not inject into this fitting.)
Body / bleed fitting
Make sure the grease gun / pump is in working order and loaded with the
appropriate product.
2. Inspect equipment.
3. Inject flush.
Inject full seat capacity into each seat, utilizing the seat injection ports.
(Refer to capacity chart on page 13.)
4. Operate valve.
Make sure it is safe to operate the valve.
Fully operate valve three times.
5. Inject cleaner / flush.
Inject full seat capacity into each seat, utilizing seat injection ports.
(Refer to capacity chart on page 13.)
6. Allow valve to soak.
Wait one to six hours to allow cleaner to penetrate the buildup and
contaminates.
7. Inject flush.
Inject full seat capacity into each seat, utilizing seat injection ports.
(Refer to capacity chart on page 13.)
8. Operate valve.
Fully operate the valve three times.
9. Test valve.
Block-and-bleed valve. (Refer to Block-and-Bleed procedure on page 7.)
If the valve will not bleed down, follow the sealant injection procedure on
page 12.
Installation, Operation and Maintenance Manual IOM-CAM-BALL-T31
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