The application scope of butt-welded flange is as follows: One, the length of the workpiece: such as strip steel, profile, wire, steel bar, rail, boiler steel pipe, oil and gas transmission pipeline butt welding. Two, annular workpiece welding: such as car rim and bicycle, motorcycle rim welding,

Flange connection is an important connection method for pipeline construction.Flange connection is to fix two pipes, pipe fittings or equipment on a flange plate respectively, add flange pads between the two flange plates, and fasten them together with bolts to complete the connection.Some pipe fitt