Working principle of high-pressure plunger pump
Release time:
2026-02-28
High pressure plunger pumps produce periodic changes in the volume of the working chamber through the reciprocating motion of the plunger in the working chamber of the hydraulic cylinder, or through the periodic elastic deformation of flexible components such as diaphragms and bellows in the working chamber.
High pressure plunger pumps produce periodic changes in the volume of the working chamber through the reciprocating motion of the plunger in the working chamber of the hydraulic cylinder, or through the periodic elastic deformation of flexible components such as diaphragms and bellows in the working chamber. Structurally, the working chamber is separated from the outside by a sealing device and communicates or closes with the pipeline through a pump valve (including a suction valve and a discharge valve). When the plunger moves inward, the volume of the chamber decreases and the liquid is pushed out of the pump body; When the plunger moves outward, the volume of the chamber increases, and liquid is sucked into the pump body. By continuously repeating this reciprocating motion, the plunger pump can continuously deliver liquid.
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