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Positive Displacement Pump

Browse Peak Machinery’s inventory of positive displacement pumps  featuring top brands including SPX Waukesha, Alfa Laval, LobeFlo, ITT Pureflo, and Lobeline. Our stock includes lobe pumps, rotary pumps, and metering pumps in 316 stainless steel — available new surplus, rebuilt, and unused.

Positive displacement pumps deliver consistent, precise flow ideal for viscous fluids, corrosive chemicals, food-grade processing, and high-pressure transfer  making them essential across pulp & paper, chemical, and sanitary industries.

Looking for a different pump type? Explore our centrifugal pumps, sanitary pumps, or progressive cavity pumps or browse all pumps & parts.

Frequently Asked Questions

Positive displacement pumps are ideal for applications that require precise flow control, accurate metering, and reliable handling of viscous, heavy, or shear-sensitive fluids. They maintain a consistent flow even under varying pressure conditions.
Positive displacement pumps are widely used in chemical processing, oil and gas, food and beverage, pharmaceuticals, water treatment, agriculture, cosmetics, pulp and paper, and industrial manufacturing for handling viscous fluids and applications requiring precise fluid transfer.
Positive displacement pumps provide consistent flow regardless of system pressure, efficiently handle high-viscosity fluids, offer precise flow control, and deliver reliable performance in demanding industrial applications.
Common types include gear pumps, diaphragm pumps, piston pumps, screw pumps, and rotary lobe pumps, each designed to meet specific fluid handling and process requirements.
Before selecting a positive displacement pump, consider the fluid viscosity, required flow accuracy, operating pressure, temperature, material compatibility, and overall system requirements to ensure optimal performance.