A flange is a mechanism by which tubing, valves, pumps, and other machinery are linked to create a piping structure. It also makes washing, review or alteration easy to access. Typically, the flanges are welded or screwed. Flanged joints are designed to provide a bond by bolting two flanges together with a gasket between them. Pipe flanges are constructed of all kinds of materials, such as stainless steel, cast iron, copper, silver, bronze, rubber, etc., but the most commonly used type is carbon steel manufactured and machined surfaces. During the choosing of the pipe, the design of a flange is set, in most situations, a flange is of the same type as the plug.The boom in private petrochemical entrants has put extreme pressure on the demand for pipe fitters. Ongoing production line projects