Flanges And Connectors

Flanges are significant sources of fugitive emissions, even at well-controlled plants, due to the large number of flanges and connectors. In most cases, tightening the flange bolts on the flanged connectors, replacing a gasket, or correcting faulty alignment of a surface eliminates a leak. The use of all welded construction minimizes the number of flange joints and screwed connections.

Unsafe-to-monitor connectors can expose personnel to imminent hazards from temperature, pressure, or explosive conditions. During safe-to-monitor periods, plant personnel should monitor these connectors, especially the critical ones, as frequently as possible using leak detectors.

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