The principle of the seal device is to use the centrifugal force of the revolving body to throw the leakage liquid into the workaround, and by which the moving seal structure was formed.

• 该密封结构工作原理是利用旋转体的离心力,把进入漏泄区域的流体重新甩入工作腔而形成的运动密封结构。