LARGE DIAMETER HIGH FREQIENCY WELDED PIPE LINE

上卷→开卷→头尾矫平→剪切对焊→活套储料→成型→焊接→水冷→定径

→切断→输出→平头倒棱→水压试验→成品收集

loading coil→uncoil→leveling→cutting and butt welding→looping

→formingl→high frequency welding →water cooling→sizing→cutting off

→transport→flat head chamfering →hydraulic testing→collection