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Metering Pumps

How do metering pumps work?

Most metering pumps are oscillating displacement pumps. An exactly defined volume of liquid is drawn into the displacement body on the reciprocal stroke and forced into the dosing line on the compression stroke. The pump settings can be changed to achieve consistently accurate metering.

Microprocessor technology since 1988

The accurate control of the pumps is made possible by microprocessor technology. Sophisticated monitoring functions ensure operational reliability and guarantee minimal chemical consumption yet optimum disinfection. Interfaces integrate the pumps into a fully automated process.

Over one million ProMinent pumps are in use all over the globe, delivering reliable, accurate performance under the toughest conditions. Our proven design principles guarantee a high standard of quality and precision.

The product range

Large choice of types, wide range of capacities: from a few millilitres, e.g. for laboratory use, to 40,000 litres per hour, e.g. for use in process engineering.

The technologies in detail:

  • Diaphragm metering pumps (mechanically actuated diaphragm)
  • Hydraulic diaphragm metering pumps (hydraulically actuated diaphragm)
  • Plunger metering pumps
  • Peristaltic pumps

Classification by pump drive:

  • Solenoid metering pumps
  • Motor-driven metering pumps
  • Pneumatic metering pumps

Find the right pump type in four steps

  • Specify pump capacity in litres per hour [l/h]
  • Specify back pressure in bar
  • Find the intersection of these two values and select the pump type that lies nearest to it

Pump Guide

The choice of pumps is huge: 80 industries, 100,000 products and infinite applications. To make it easy to find your ideal metering pump, ProMinent designed the Pump Guide. In just a few clicks you will find a selection of suitable models.

Here’s how it works

First enter the pump capacity and back pressure. The Pump Guide will then show you all the metering pumps that match your criteria. You can choose between list view and detail view. The database contains all solenoid metering pumps, motor-driven metering pumps, process metering pumps and peristaltic pumps from ProMinent. They are divided into more than 30 different product ranges.

Exactly the right pump

Narrow down your search by clicking on different selection criteria. Do you have a specific industry, operating mode, medium or viscosity in mind? Or maybe you need a pump for zones at risk of explosion? The Pump Guide will take you to the pump you need in just a few clicks.


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