NETZSCH PUMPS & SYSTEMS A media delivery application can often be handled by various pump types. However, optimum results and material-preserving transmission require exactly matching the pump to parameters such as viscosity, temperature, NPSH (net positive suction head) value and shear sensitivity. Germany’s Netzsch Pumps & Systems has supplemented its portfolio of progressive cavity pumps and rotary lobe pumps with three-model series of compact screw pumps: the Notos two-, three- and four-spindle pumps. Thanks to special materials, hydraulic compensation and optimised geometry all Notos pumps are designed for high efficiency and long operating life, writes Rainer Stettin, the company’s key account manager.