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Home > Engineering > commissioning of on/off and check valves

commissioning of on/off and check valves

1. Pre-Commissioning Preparation

Verify valve specifications and ensure compatibility with system requirements.

Inspect valves for physical damage or defects before installation.

Confirm that all necessary tools and equipment are available for commissioning.

Review installation manuals and guidelines specific to the valve model.

2. Installation Checks

Ensure proper orientation and alignment of valves during installation.

Check for proper sealing and tightening of all connections.

Verify that valves are installed in accordance with flow direction markers.

Inspect surrounding piping and supports for stability and alignment.

3. Functional Testing

Conduct a visual inspection to ensure no leaks are present.

Perform manual operation to check for smooth movement and proper seating.

Open and close on/off valves to test functionality under no-load conditions.

For check valves, verify the closing mechanism and ensure it prevents backflow.

4. Pressure Testing

Conduct hydrostatic or pneumatic tests as applicable to verify pressure integrity.

Monitor for leaks during pressure testing and inspect seals and joints.

Document pressure test results and ensure compliance with standards.

5. System Integration

Connect valves to the control system and verify signal integrity.

Conduct functional tests with the system in operational mode.

Observe valve performance under normal operating conditions.

Adjust any control settings as necessary for optimal valve operation.

6. Documentation and Compliance

Complete commissioning documentation, including test results and observations.

Ensure all compliance requirements are met and documented for future reference.

Provide training for operational staff on valve operation and maintenance.

Store all relevant documentation in a designated location for easy access.

7. Final Inspection and Handover

Conduct a final walkthrough of the installation site to ensure all tasks are complete.

Confirm that all safety and operational procedures are in place.

Handover the system to the operational team with all necessary documentation.

Schedule follow-up inspections or maintenance as required.

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