Flanges are used to connect pipes, valves, pumps, and other parts to form a piping system. Flanges are typically screwed or welded. The use of flanges allows a person to easy repair and maintains the pipe system. Instead of taking out the whole pipe for inspection, the small section of the pipe can be inspected to find the fault with the help of flange. The flange will allow easy inspection and cleaning of a pipe.
Two flanges are joined together by bolts by using gasket between them for seal. The flanges are used on chemical industry, petroleum industry, and oil and gas industry. The important types of flanges are slip on flange, welding flange, socket flange, blind flange, lap joint flange, threaded flange etc. There are some special types of flanges that are orifice flanges, expander flanges, reducing flanges, nipoflange, long welding flanges, and neck flanges.