| 摘要 |
A mechanical seal for centrifugal pumps having a fixed bearing mounted in the housing of the pump for supporting the shaft of the pump, a rotating sealing disk mounted on the shaft in contact with the fixed bearing, the bearing and sealing disk being surrounded by a cavity formed in the housing and a cup shaped slinger mounted on the shaft between the cavity and impeller of the pump for introducing and retaining fluid in the cavity for lubricating and cooling the bearing and sealing disk even when the flow of fluid through the pump stops.
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