Precautions for Connecting Wafer Butterfly Valve to the Pipeline

When connecting a wafer butterfly valve to a pipeline, the following precautions should be taken:

Ensure Proper Alignment: Make sure the valve is correctly aligned between the flanges to avoid any misalignment that could cause leaks or damage to the valve and pipeline.

Check Gasket Positioning: Ensure that gaskets are properly positioned between the valve and flanges to create an effective seal and prevent leakage.

Avoid Over-Tightening Bolts: Tighten the flange bolts evenly in a crisscross pattern to prevent warping of the valve body. Over-tightening can deform the valve or cause the disc to stick.

Disc Position During Installation: Keep the valve disc slightly open during installation to prevent it from contacting the flanges or gaskets, which could damage the disc or interfere with operation.

Verify Compatibility: Ensure the valve’s materials are compatible with the fluid being handled and that the valve’s pressure and temperature ratings match the system requirements.

Pipe Cleanliness: Before installation, clean the pipeline to remove any debris, which could damage the valve seat or disc during operation.

Support the Pipeline: Ensure that the pipeline is properly supported to prevent stress on the valve, which could cause misalignment or leakage.

Flow Direction: Confirm that the valve is installed with the correct flow direction as indicated by the arrow on the valve body.

Final Check: After installation, manually operate the valve to ensure it opens and closes smoothly without obstruction. Conduct a leak test to verify proper sealing.

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