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How Does a Plunger Pump Work?

Feb 13,2025

When it comes to efficient fluid transfer in demanding industrial applications, plunger pumps are a go-to solution. But how exactly do they work? Let’s break it down.

A plunger pump is a type of positive displacement pump that uses a reciprocating plunger to move fluids through a system. The key components include the plunger, cylinder, inlet valve, and outlet valve. Here’s the process in action:

plunger pump factory

Suction Stroke: As the plunger retracts, it creates a vacuum in the cylinder. This draws fluid into the chamber through the inlet valve, which opens due to the pressure difference.
Discharge Stroke: When the plunger moves forward, it pressurizes the fluid in the cylinder. This forces the inlet valve to close and the outlet valve to open, allowing the fluid to be expelled at high pressure.

Plunger pumps are known for their ability to handle high pressures and viscous fluids, making them ideal for applications like filtration (e.g., in plate and frame filter presses), oil and gas, and chemical processing. Their robust design ensures reliability even in the toughest conditions.

At Nanxing, we specialize in high-performance plunger pumps tailored to your needs. Whether you’re optimizing filtration processes or tackling challenging fluid transfer tasks, our solutions deliver unmatched efficiency and durability.

Hot Tags : High-Pressure Pump Applications Positive Displacement Pump Technology Industrial Fluid Transfer Solutions