Chemical Dosing Pumps Solenoid Dosing Pumps ProMinents solenoid-driven diaphragm metering pumps are available in capacities ranging from 0.74 to 75 l/h at a back pressure of 25 to 2 bar. Motor Driven Dosing Pumps ProMinents Motor Driven Metering Pumps are robust, reliable and will provide you with issue free chemical dosing. Dulcoflex Peristaltic Tube and Hose Pumps ProMinents peristaltic metering pumps have a capacity range of between 10 ml/h and 15,000 l/h. They pump against a pressure of up to 15 bar. Process Metering Pumps There is no room for compromise in high-end applications in the petrochemical and oil and gas industries. Risks must be eliminated when metering toxic, corrosive and flammable liquids. Reliable meteri Progressive Cavity Pumps The ProMinent Spectra progressive cavity pumps are available as block or bare shaft design and feature our special cardan joints. Capacities are from 1l/h to 450 m3/h. Chemical Transfer Pumps Chemfeeds chemical transfer pumps are used to pump liquids from container A to container B.