Metering Pumps
Metering pumps are used wherever fluids must be dosed into a medium with a highest possible grade of accuracy with a defined volume and within a defined time period. ProMinent has worked in the business of metering pumps for 50 years in a leading position. Offering the worldwide largest range of metering pumps, ProMinent comes up optimally to your special requirements.
Functioning
Metering Pumps (oscillating positive displacement pumps) suck in a defined fluid volume with the back-stroke of the displacer and press it into the dosing line with the pressure stroke. The metering capacity can be regulated by adjusting the stroke volume and the dosing strokes per time unit. Thus, a constantly exact dosing is achieved remaining constant even at varying counter-pressures.
Micro Processor Technology
Already in 1968 ProMinent presented one of the first electronically operated solenoid driven dosing pumps. Meanwhile, micro processor technology is used on a large scale for the control of our dosing pumps - optimally adjusted to each application area. Besides multi functional control methods micro processor technology grants increased operation safety. This is ensured by multiple monitoring functions. Thus, for instance, the use of chemicals in water treatment can be reduced to the absolutely necessary minimum - an important aspect for environmental protection. The same is applicable for the areas of process technology.
The integration of a dosing pump into a fully automatic work process absolutely requires interfaces for the processing of existent control signals. Only the use of most modern micro processor technologies allows to use all standard signals, e.g. contact and analogue signals for dosing pump control without any additional signal processing or transforming devices.
Two-Year-Guarantee for Reliable Technology
Meanwhile, more than one million ProMinent metering pumps are used in the whole world - always successfully even under most difficult conditions. Taking proven construction principles as a basis we have levelled off on a very high quality and precision standard. This allows us to grant a two-year guarantee on each ProMinent® metering pump (pump drive).
Large Product Range of Metering Pumps
The series of metering pumps offered comprise electronically operated solenoid driven dosing pumps up to electronically operated motor dosing pumps as well as pneumatically operated dosing pumps. The capacity range of the metering pumps starts at some few ml e.g. for laboratories and goes up to 40 000 l/h for the use in process industries. There are different technologies to feed the dosing medium. According to the feeding-technology used, metering pumps can be categorized as follows:
Another way of categorizing metering pumps is according to the pump drive:
Solenoid-driven metering pumps
Motor-driven metering pumps
Air operated metering pumps
