Designs and manufactures OEM diaphragm air, gas, and liquid pumps and compressors.
www.knf.com




Provides database of suppliers for Positive Displacement Pumps. Browse catalogs and view technical information.
www.globalspec.com




Versatile, economical flow control .002-144 mL/min to 6k psi. Get Info
www.eldex.com
Our positive displacement pumps offer accuracy & high reliability.
www.mmscusa.com
Transfer, Seal less, Metering Selection Guide and Product Details
www.wannereng.com
Rotary Gear, Lobe and Vane Pumps Flows to 345m3/hr. Material choices
www.mse-pumps.co.uk
OEM manufacturer of plunger pumps and parts for all brands
www.wastecorp.com
Pulsafeeder CTP 30 gpd 115 volt 2 year warranty & installation kit
www.discountwatersupply.com/
Manufacturer of bottom-filling bore pumps, sump pumps, pump controllers, air compressors and portable sampling systems.
www.airwellpumps.com
Manufacturer of marine boiler feed pumps and replacement parts for the wastewater industry.
www.carterpump.com
Manufacturer of test plugs, gas tubing, pumps, valves and vitris china. Products are sold to the plumbing and utility industries. This company was capitalized by private investment.
www.dafehr.com
Provides database of suppliers for Positive Displacement Pumps. Browse catalogs and view technical information.
www.globalspec.com
Designs and manufactures OEM diaphragm air, gas, and liquid pumps and compressors.
www.knf.com
Manufacturer of chemical feed pumps and controllers. Products are sold to the chemical, environmental and energy industries. This company was capitalized by corporate investment.
www.pulsa.com
Manufacturer of fluid filters, valves, pumps and strainers. Products are sold to the marine industry. This company was capitalized by private investment.
www.strainers.com
Versatile, economical flow control .002-144 mL/min to 6k psi. Get Info
www.eldex.com
Our positive displacement pumps offer accuracy & high reliability.
www.mmscusa.com
Transfer, Seal less, Metering Selection Guide and Product Details
www.wannereng.com
Guide to Positive Displacement Pumps
Positive displacement pumps bring you greater powerOf the positive displacement pumps available, rotary pumps make up about 10% of the pumps used in industry. Some of the benefits of positive-displacement pumps are that they can put out a constant volume of liquid they are processing regardless of the pressure they encounter. They also process a constant volume with each rotation of the shaft.
Whether you are looking for reciprocating, metering or rotary positive displacement pump suppliers:
1. Assess your positive displacement pump application needs.
2. Assess your quantity needs for positive displacement water pumps or other varieties of positive displacement pumps.
3. Assess your budgetary constraints and the cost effectiveness of purchasing new positive displacement pumps.
Action Steps
The best contacts and resources to help you get it done
Use a positive displacement water pump search engine to find specific positive displacement pumps
Forget sites like Google or Yahoo, instead use a specific search engine for liquid transfer pumps.
I recommend:
Visit PumpBiz, Inc. to search for information about positive displacement pumps or positive displacement pump distributors by categories split up into Rotary Pumps and Reciprocating Pumps. Viking Pump manufactures positive displacement pumps and accessories for industrial, OEM and sanitary pumping use. They have been in business since 1911 and offer the following pump types: Internal Gear Pumps, External Gear Pumps, Lobe Pumps, External Gear Pumps, Vane Pumps, Pump Systems, Gear Reducers, Controllers and Strainers. Cortech Engineering sells pumps from Milton Roy, Blackmer, Williams Instrument, Oberdorfer, Larox and Seepex.
Look for key names in the business of positive displacement pumps
Easily find manufacturers of positive displacement pumps from all parts of the U.S.
I recommend:
Cole-Parmer out of Vernon Hills, IL, is an international company that is one of the positive displacement pump manufacturers. Crane Aerospace & Electronics manufactures positive displacement vane pumps. Kerr Pump Corporation has been in business since 1946. They manufacture high pressure piston and plunger pumps, and their positive displacement reciprocating pumps are used in a number of industrial and oilfield application. Wanner Engineering builds the Hydra-Cell sealless positive-displacement pump. It is designed for low pulse operation, chemical compatibility and abrasive-duty.
Look for distributors of positive displacement pumps
Choose a distributor because they have a large variety of positive displacement pumps to choose from. You can also choose a distributor based on the particular brands that it sells. If you are looking for a particular manufacturer, you can often go to their website for a list of their distributors.
I recommend:
Look to the Surplus Record Machinery & Equipment Directory for used/surplus positive displacement pumps. Heritage Equipment Company is home a large variety of new and used positive displacement pumps.
Tips & Tactics
Helpful advice for making the most of this Guide- Ask about training or instructional videos, webinars, or online support for any of the positive displacement pumps that you choose.








