direct-acting pump

direct-acting pump

[də¦rekt ¦akt·iŋ ′pəmp]
(mechanical engineering)
A displacement reciprocating pump in which the steam or power piston is connected to the pump piston by means of a rod, without crank motion or flywheel.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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