| 摘要 |
A sealing device for a centrifugal pump is mounted on an axle of the centrifugal pump and includes a retainer ring, a supporting ring, a rotor ring, and a fixing ring. The supporting ring includes a plurality of tongues extending outwardly and radially therefrom and each having a screw hole for engagement with the retainer ring. The rotor ring includes a plurality of notches each for engaging with an associated tongue, thereby mounting the rotor ring to the retainer ring.
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