Issue 6: Flanges

A flange is a way of connecting pipes, valves, pumps and other equipment to form a piping system. It provides easy access for maintenance such as cleaning, inspection or modification. Flanges are usually welded or screwed to the pipes. Flanged joints are made by bolting together two flanges with a gasket between them to provide a seal. Joints play a critical role in plant integrity, therefore the installation and assembly of them requires special attention. The correct shape, size and material of the gasket,
appropriate design, material of the flange and studs and correct way of bolting are critical aspects that contribute to maintain the integrity of flanged joints.

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