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Common Causes of Fitting Sealing Failure

Leakage may be caused by tubing mismatch, installation method, cutting quality, sealing component condition or system pressure, not only by the fitting itself.

Common Causes of Fitting Sealing Failure

Typical causes of leakage

Common causes include tubing size mismatch, uneven cutting, insufficient insertion depth, loose threads, damaged seals, material incompatibility and system pressure beyond the applicable range.

Recommended troubleshooting steps

Check tubing and fitting specifications first, then inspect the tubing end, seal condition and connection alignment. If corrosive reagents or cleaning solutions are used, long-term material compatibility should also be confirmed.

Need technical support for product selection?

Share your media, pressure range, tubing size, application conditions or drawings with FOREACH for product matching and technical confirmation.

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