The CNH series is a specially designed, self-priming centrifugal pump. The CNH series is made up of single-stage centrifugal pumps with self-priming device, axial suction port, open centrifugal impeller and independent shaft. The self-priming devices is made up of a helical rotor installed in front of the impeller and a rotor chamber which is off-centre in relation to the axis of the centrifugal stage. The series consists of 2 models with open impeller, independent axle and standard IEC motor.

This cutting-edge method uses airscrew pump technology and makes for easy handling of Cleaning-In-Place (CIP) tasks with supplied air and pumping of process media. These pumps are most frequently used for applications in the food, dairy, beverages and pharmaceutical industries.