May 2009

Special Report: Maintenance/Reliability

Proper gasket removal and replacement can reduce maintenance and increase uptime

Follow these guidelines for trouble-free performance

Burgess, D., Hurley, T., Garlock Sealing Technologies

The gaskets that keep flanged joints in piping systems from leaking are relatively low-cost but high-consequence components that can spell the difference between efficient, profitable operations and unscheduled outages, lost production and penalties for noncompliance with environmental regulations. However, they often do not receive the attention they warrant from plant operations and maintenance personnel. Gaskets perform two basic functions—creating an initial seal and maintaining that seal over an extended time. To perform these functions effectively, they must retain their integrity during handling and installation, and be sufficiently deformable to flow into imperfections in flan

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