oil seal ring

If the residual air in cylinder is impacted by abrupt clamp pressure the seal ring will be damaged due to the effect of diesel oil.

如果油缸内残留空气受急剧夹压时，那么，由于液压油的作用，有可能使密封圈烧损。

This paper introduces the cause of the seepage in valve box of oil isolation pump, and solves the problem of the valve box seepage by way of the improvement of die slot in O - ring and seal material.

本文介绍油隔离泵阀箱渗漏的原因，能过对阀盖O型圈沟槽的改进及采取乐泰密封胶替代牛油盘根进行密封，解决了阀箱渗漏的问题。

Such as whether the bolt is tightened, the piston ring is installed correctly, damaged oil seal is replaced, etc.

譬如螺栓是否拧紧，活塞环安装是否正确，损坏油封是否更换等。