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duplex pump

a pair of direct-acting steam pumps so arranged that each pump begins its working stroke just as the other finishes its working stroke, so that the rate of flow of the fluid is nearly continuous. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for duplex pump
  • Both pumps shall shut down automatically when the sump water level is down to the duplex pump stop level.
  • Provide a new duplex pump sewage lift station for trailer.
  • duplex pump control panel supplied by pump supplier.
  • Provide a constant-speed duplex pump package with bladder-type compression tank to meet the flow requirements.
  • All designed pump systems shall consist of duplex pump arrangements.

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