Low Pressure Fluid ERW Pipe Mill

Low Pressure Fluid ERW Pipe Mill

The steel coil after slitting is unfolded and leveled. Then, they are sent into forming machine. Used the roll, the coil is bent into pipe state. The edge of the steel coil is melted by making use of the proximity effect and skin effect of high frequency current. Then, the coil is extruded and welded into the pipe by extruding roller. Then, the final pipe is manufactured out after the IF annealing and cut to length. Low pressure fluid ERW pipe mill is mainly used to manufacture the low-pressure fluid pipe, structure pipe and other pipe. Due to the low requirement on the pipe, the line normally does not have the IF annealing and pipe UT detector. Hydrotester also adopts low pressure one.

The small-diameter ERW pipe production line is mainly used to produce straight seam welded pipes with a diameter of 15-114mm and a thickness of 1.5-9mm. It can also produce square pipes, rectangular pipes, galvanized pipes, etc. The production line is designed and manufactured on the basis of absorbing advanced technology at home and abroad. The equipment is economical, reliable, and stable.

The forming styles of ERW pipe can be divided into roll forming, flexible forming, full auto flexible forming. The mill developed by our company adopts roll forming when producing small diameter pipe (Φ≤114). Flexible forming or fully automatic flexible forming is adopted when producing large diameter pipe (Φ≤711).

Models:

Production Process:    

Loading Coil – Uncoiling - Leveling – Cutting and Welding – Accumulator – Precise Leveling – Forming – HF Welding – Water Cooling – Online UT Detector – Water Cooling - Sizing - Flying Cut – End Facing and Beveling - Hydrotester – Pipe Collection

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