Positive Displacement Pump Manufacturers

Positive displacement pumps seal water in a chamber, and then force it out by reducing the volume of the chamber. Piston, diaphragm and rotary vane pumps are examples of positive displacement pumps. They are used for low volume and high lift.

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Showing 1-18 of 18 Manufacturers
Logo for Randolph Austin Company Randolph Austin Company (Manchaca, TX)



Randolph peristaltic pumps are manufactured to exacting tolerances with high quality materials. The rugged construction of the Randolph pump makes it an ideal choice for applications where trouble free performance is necessary.

Product(s) by Randolph Austin Company
LobePro Rotary Pumps (Brunswick, GA)


LobePro Rotary Pumps manufactures 4 great lines of positive displacement, rotary lobe pumps: G series- General Use; S Series-Sludge, Mud, and Slurries; C Series- Corrosives & Chemicals; and A-Series – Oil and Gas Industry. Our API 676 pump complies with API 676 with a seals exception.

KNF Neuberger, Inc. (Trenton, NJ)


The positive displacement metering pump is generally the first choice for providing precise and repeatable flow in many medical device fluid dispensing applications. Positive displacement pumps operate by trapping a fixed volume of fluid and moving this fluid via gears, pistons, diaphragms, etc.

Moyno, Inc. (Springfield, OH)


The Moyno® 2000 progressing cavity pump is a proven performer in heavy-duty, viscous and high-solids pumping applications. This versatile, high-performance pump is designed to handle a wide range of applications from shear-sensitive chemicals to difficult to process slurries and sludges.

Boerger LLC (Minneapolis, MN)


Boerger Pumps are in use in industrial and municipal applications. Unique,patented features are the replaceable rotor-tips and the readjustable rotor. Various material combinations, metals, rubber and plastic allows for the use in almost every application. contact us: http://www.boerger-pumps.com

Dynex/Rivett Inc. (Pewaukee, WI)


Dynex manufactures hydraulic components and systems used in demanding applications, including high pressure, special fluids, dirty environments and long duty cycles. Products include piston pumps, directional and pressure controls, vane and piston motors, linear actuators, and power units.

Fultz Pumps, Inc. (Lewistown, PA)


Fultz Pumps, Inc. has been providing the environmental industry with groundwater sampling equipment since 1985. We handle all manufacturing and sales from our facility Central Pennsylvania. We stock a large supply of our equipment for immediate shipment.

Northern Pump Divison Of McNally Industries, LLC (Grantsburg, WI)


Northern® gear pumps are positive displacement rotary gear pumps that are designed for nearly any liquid transfer application, particularly those involving extremes of temperature, viscosity, pressure and inlet conditions.

B & D Pumps, Inc. (Huntly, IL)


The Positive Displacement Pumps UGP line can be used for many chemical applications including Laboratory, Plating systems, Metering, Photographic and Printing Industries.

VICI Valco Instruments Co. Inc. (Houston, TX)

Manufacturer, Contract Manufacturer, Distributor, Service Company

VICI® is an acronym for Valco Instruments Company Inc. VICI now defines multiple companies which manufacture various products for the analytical industry.

A.R. North America, Inc. (Fridley, MN)

Manufacturer, Distributor

AR North American manufactures high pressure pumps, plunger pumps, positive displacement pumps, reciprocating pumps, stainless steel pumps, and triplex plunger pumps.

Webster Fuel Pumps & Valves (Frankfort, KY)


Webster is a leading manufacturer of fuel oil pumps and valves for the oil heat industry.

Cat Pumps® (Minneapolis, MN)


Cat Pumps triplex high-pressure piston and plunger pumps are positive displacement with flows directly related to pump RPM. They are energy-efficient and low-maintenance. Pump performance from 0.5-240PM, 100-10,000 PSI. We build custom engineered POWER UNITS [skid mounted pump systems] built to your specifications featuring our PD pumps.

Haight Pumps, Div. of Baker Manufacturing Company (Evansville, WI)


Dual positive displacement pumps on a common shaft are available in 15 possible flow combinations, up to 9 gpm flow capacity for each pump. Dual pump designs save valuable space and are cost effective for designers.

17 Machinery, LLC (Hayes, VA)


Gravitational Systems Engineering, inc. (Fairfax Station, VA)

Manufacturer, Contract Manufacturer

Sundyne (Arvada, CO)


Haskel International, Inc. (Burbank, CA)

Manufacturer, Contract Manufacturer

SF6 Handling Systems Oxygen Hand Booster PPI Diaphragm Compressor

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