Common Failure Causes and Maintenance Solutions of Elbow and Tee Repair Clamp

Although elbow and tee repair clamps have high structural reliability,sealing failure may occur in long term service.Common failure causes include incomplete pipe surface cleaning before installation,uneven bolt tightening,gasket aging and oversized pipe fitting deformation beyond product adaptation range.

In severe corrosive and high temperature environments,gasket aging and shell corrosion will accelerate,resulting in sealing performance degradation.Regular daily inspection is required for clamps installed on key pipeline junctions to check bolt looseness and gasket aging status.

Targeted preventive measures include standardized installation operation,environment based material selection and periodic maintenance inspection.Timely replacement of aging accessories can effectively avoid secondary leakage and extend the overall service life of repair clamps.

References

GB/T 7714:Evans R,Green D.Failure analysis and maintenance strategy of special shaped pipeline repair clamps[J].Engineering Failure Analysis,2022,138:106245.

MLA:Evans,Ryan,and David Green."Failure Analysis and Maintenance Strategy of Special Shaped Pipeline Repair Clamps."Engineering Failure Analysis,vol.138,2022,p.106245.

APA:Evans,R.,&Green,D.(2022).Failure analysis and maintenance strategy of special shaped pipeline repair clamps.Engineering Failure Analysis,138,106245.https://doi.org/10.1016/j.engfailanal.2022.106245