Outline Procedure:
- Fit venting/injection devices
- Close flange gap
- Inject compound (sealant) into flange void
- Plug leak at the defect (at the gasket)
- Pressure envelope should remain unchanged
Typical flange joint which has been injected and sealed:

Typical flange joint which has been injected and sealed:

Repair is achieved by closing the gap between the flanges at the outside edge and then injecting sealant into the cavity.

Specialty industrial service and product solutions provider, Furmanite supplies an ever increasing range of industries with maintenance tools and key engineering services such as leak sealing, hot tapping and line stopping. For comprehensive plant and pipeline maintenance and asset uptime maximization, rely on Furmanite.
Copyright © Furmanite 2012
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