The UN250 butt-welding machine adopts manual flash prewarming, hydraulic pressure upset mode, is suitable to weld large diameter and section weldment.
UN250对机采用手动闪光预热、液压顶锻的,合大直径大截面的件。
The UN250 butt-welding machine adopts manual flash prewarming, hydraulic pressure upset mode, is suitable to weld large diameter and section weldment.
UN250对机采用手动闪光预热、液压顶锻的,合大直径大截面的件。
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