Flanges are devices used to connect pipes, valves, pumps, fittings, and other equipment such as filters and pressure vessels. It is usually welded or threaded, and the two flanges are joined together by bolting them with gaskets to provide a seal, providing easy access to the piping system.
A flange connection is an assembly involving two pieces of equipment, pipes or pipe fittings, two flanges, flange mats, and bolts. Different types of washers are also used with the flange connection to secure the connection.
One flange is mounted on the pipe’s outer area, whereas the other is on the opposite side so that they can be connected with nuts and bolts. Flanges offer resistance against temperature and pressure.
ASME B16.5 bolt and stud dimensions for Class 150 through 2500 flanges, covering RF and RTJ face types. Bolt count, diameter, and stud lengths from Texas Flange
Although the word 'flange' generally refers to the actual raised rim or lip of a fitting, many flanged plumbing fittings are themselves known as flanges. Common flanges used in plumbing are the Surrey flange or Danzey flange, York flange, Sussex flange and Essex flange.
A flange is a mechanical component used to connect pipes, valves, pumps, and other equipment. Learn about flange types, materials, and connection methods in this complete guide.
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Flange ends may be screwed, welded, or lapped (metal to metal contact) to their associated piping. The most popular flange types will be discussed in this section.