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Flange connection is an important way of pipeline construction.Flange types are divided into threaded flange, welded flange and loose flange according to the fixation mode of flange and pipeline; according to the sealing surface, they can be divided into smooth type, concave convex type, mortise gro
The process analysis of the socket and the determination of the process plan are based on the geometrical shape and the process characteristic of the socket. Die structure design, especially the design of the die working parts, depends on the shape of the socket.The inner wall of the socket pipe fit
