alignment bolt
泵盖对准螺栓扭矩 pump cover alignment bolt torque
对准[调整]螺栓 alignment bolt
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如果操作装置的安装孔与阀门法兰孔没有对应上，就要把锁定螺栓退回，旋转手轮式的螺栓孔对准为止。
If the operator mounting holes do not line up with the valve flange holes, the stop screw (s) should be backed off and handwheel turned until holes are aligned.
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