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> UNDERGROUND FLANGE JOINT
UNDERGROUND FLANGE JOINT
PRE-INSTALLATION CHECKS
Verify design specifications and material compatibility.
Inspect flanges for any damage or defects.
Ensure that all necessary tools and equipment are available.
Confirm that all bolts, nuts, and gaskets are of the correct type and size.
Check soil conditions and ensure proper excavation depth.
INSTALLATION PROCEDURE
Clean the flange faces to remove any dirt, debris, or old gasket material.
Place the gasket evenly between the flange faces.
Align the flanges properly to avoid misalignment.
Insert bolts into the holes and hand-tighten nuts to hold flanges in position.
Follow the specified torque sequence and apply the correct torque to each bolt.
POST-INSTALLATION CHECKS
Inspect the joint for proper alignment and tightness.
Verify that there are no visible leaks around the flange joint.
Record the torque values applied to each bolt for maintenance records.
Ensure that the joint is properly buried and that backfilling is done according to standards.
Document the installation process and any observations.
MAINTENANCE
Schedule regular inspections based on operational conditions.
Monitor for signs of leaks or corrosion.
Maintain a log of any maintenance performed on the flange joint.
Ensure that any repairs or adjustments follow original installation guidelines.
Train personnel on proper inspection and maintenance procedures.
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