- Refer drawing and ensure the field location of a valve
- Verify the specifications of the control valve as per the manufacturer datasheet.
- Isolation for control valves is also to be checked.
- Check the calibration certificate provided by the manufacturer and also ensure traceability certificates of master equipment
- The flow direction data is available on the control valve. Verify control valve flow direction.
- Refer drawing and ensure proper installation of all tubing, fittings, solenoid valve, and other control valve accessories, is very important for the reliable functioning of the control valve. The control valve must sit in its position for open and close operation. Verify positioner operation by operating the valve for open and close. Also, verify the solenoid wiring for correct open-close operation.