Check the signal, travel and operating response.
Control valve calibration is scoped around the complete valve assembly, its positioner, actuator and control signal. Kroft reviews the equipment configuration and operating symptoms before defining the checks or adjustments required.
Calibration support connects inspection, positioner configuration, stroke checks and control-loop field verification. Where a mechanical or component fault is identified, the corrective work and replacement parts are reviewed with the client before proceeding.
Calibration scope
- Control valve inspection and calibration
- Positioner configuration and troubleshooting
- Actuator operating-pressure and stroke checks
- Control-signal and loop verification
Execution requirements
- Equipment model and configuration review
- Client-approved isolation and access arrangements
- Functional checks after adjustment
- Calibration findings and maintenance recommendations
Site or workshop arrangements and the verification method are confirmed against the valve assembly and agreed work scope.
Service questions
Which equipment details are needed?
Send the valve, actuator and positioner manufacturer and model, the valve tag, signal type, operating pressure, fault description and any available datasheets.
Can Kroft help with a positioner fault as well as calibration?
Yes. The agreed service scope includes positioner configuration and troubleshooting, actuator checks and supporting component supply. The intervention depends on the assessment findings.
Can calibration be part of commissioning or maintenance?
Control valve checks can be coordinated with installation, commissioning and maintenance work. Share the project stage, valve list and required functional checks when preparing the enquiry.