| 摘要 |
<p>PUMP CONSTRUCTION A centrifugal pump especially adaptable for pumping radioactive water at elevated temperatures and pressures and having a relatively flexible seal between its case and its cover plate. The seal comprises a plurality of nested, metal, half-toroidal and relatively thin members (76) welded to spaced metal rings (72,74) which are welded to the case (12) and the cover plate (20), respectively.</p> |
