- 本体最大外径:
- 145mm 200mm
- 滚轮处最大外径:
- 152mm 210mm
- 工作压力:
- 25MPA 25MPA
2、
滚轮按照扶正器径向圆周均匀对称布置,滚轮、间隔固定在凹槽中,销轴阻止滚轮在扶正器本体上的径向运动,挡环垫在滚轮与本体之间,挡环用来滚轮在凹槽中移动。该扶正器结构简单,操作灵活,耐磨材质做成滚轮,减小了管柱与井筒的摩擦力,便于油管的下入和起出,降低了对井筒壁的损害。
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滚轮按照扶正器径向圆周均匀对称布置,滚轮、间隔固定在凹槽中,销轴阻止滚轮在扶正器本体上的径向运动,挡环垫在滚轮与本体之间,挡环用来滚轮在凹槽中移动。该扶正器结构简单,操作灵活,耐磨材质做成滚轮,减小了管柱与井筒的摩擦力,便于油管的下入和起出,降低了对井筒壁的损害。
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