Socket welding couplingis a pipe fitting commonly used for pipeline connection. It consists of two socket flanges and a pipe body. It can be used to connect two pipes, a pipe and equipment, or to connect two equipment. It is one of the most commonly used connection methods at present. Double-socket pipe clamps are widely used in industrial fields such as petroleum, chemicals, natural gas, metallurgy, electric power, shipbuilding, fertilizers, etc., and can also be used in construction, agricultural irrigation and other fields.