BCNCF series CNC pipe-flange welding machine is a special design machine to weld pipe with flange .the equipment is used in shipbuilding, steel structure,petrochemical industry.it can implement automatic weld pipe with flange.it can work with four welding torch so promote efficiency very much. both can weld plug in and butt joint pipe-flange.working with four welding torch to promotive efficiency very much, and keep the good welding quality to leave out the disposal times and cost.welding torch position can adjust depending on the workpiece's circumstances to keep the welding quality.Pipe-flange welding machine is used programmable logic controller to make the automatic welding system.the operation panel is in the control cabinet,it is used man-machine interface.operation intuitive and convenient.welding power is international brands,stable and reliable performance.