Socket weld flange

Flange, also known as a flange boss or raised rim. A flange is a component used for connecting shafts to shafts, typically for joining pipe ends; it's also used on equipment for connecting two devices, such as a reducer flange. Flange connection or flange joint refers to a removable connection consisting of the flange, gasket, and bolts combined as a sealing assembly. Pipe flanges are those used for piping in equipment installations, referring to the equipment's inlet and outlet flanges. Flanges have holes, and bolts are used to tightly secure the two flanges. Gaskets are used to seal between the flanges. Flanges are available in threaded (screwed) connections,焊接 (welded) flanges, and clamp flanges. Flanges are always used in pairs; low-pressure pipelines can use threaded flanges, while those over four kilograms of pressure use welded flanges. A sealing gasket is placed between the two flange disks, and then bolts are tightened. Flange thickness varies with pressure, and so does the type of bolt used. Pumps and valves, when connected to pipes, have corresponding flange shapes for these equipment parts, also known as flange connections. Any connection component that uses bolts to connect and seal around two flat surfaces is generally called a "flange," such as the connection in ventilation pipes. These types of components can be referred to as "flange-type components." However, such connections are only part of a device, like the connection between a flange and a pump, so it's not appropriate to call the pump a "flange-type component." Smaller components like valves can be called "flange-type components."