What is the working principle of the gear pump?
When the gear pump is running, the sucked liquid fills the dent, and the liquid is transported to the high pressure space along the outer wall along the gear. Since the two gears mesh with each other, the liquid in the dent is squeezed out. Go to the outlet line. At this time, the closed space gradually increases, forming a negative pressure zone, and the inlet liquid is forced to flow into the suction port of the pump under the action of atmospheric pressure or inlet pipe liquid pressure. |
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