What is a Positive Displacement Pump #shorts #pumps
Channel: Hydraulic Drive
Date: 2024-02-03

A positive displacement pump is a type of pump that moves fluid by trapping a fixed volume and forcing (displacing) that trapped volume into the discharge pipe. It creates a flow by expanding and contracting cavities in the pump. When the cavity expands, fluid is drawn in. When it contracts, fluid is pushed out. Examples include gear, lobe, screw, and piston pumps. They’re efficient at high pressures, can handle viscous fluids, and provide a steady, non-pulsating flow. However, they require relief valves to prevent overpressure. They’re used in various industries like oil, food, and chemical processing.

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