All job plans
InstrumentationPreventiveCorrective
Control Valve Stroke Test
Full stroke and positioner check for pneumatic or electro-pneumatic control valves.
Estimated time
1 hours
Craft required
1 technician(s)
Skill level
journeyman
Procedure steps
- 1
Notify operations; place associated loop in manual
~5 min - 2
Command 0–100% stroke; time open and close travel
~20 min - 3
Check for sticking, hunting, or air leaks
~15 min - 4
Calibrate positioner if deviation exceeds tolerance
~15 min - 5
Return loop to auto; document stroke times
~5 min
Safety notes
- Coordinate with operations — valve movement affects process
- Confirm bypass available
Tools
- • HART / Fieldbus tool
- • Air regulator gauge
- • Stopwatch
Parts
- • Positioner filter/regulator
- • Diaphragm (if failed)