Comprehensive gear pump range

The MZR range of low flow, miniature, positive displacement micro annular gear pumps by HNP Mikrosysteme (distributed in the UK by Michael Smith Engineers), are said to provide low pulse pumping and dispensing of a variety of liquids, including low and high viscosity fluids.

The range comprises six series of pumps, with additional features and benefits depending on the model. For example, the High Performance Series constructed in stainless steel are for pumping low and high viscosity liquids. The Low Pressure Series are suited for less demanding applications, such as transferring low volumes of non-lubricating liquids.

The Hermetic Inert Series feature leak-free magnetic couplings, Hastelloy-C construction with SiC and Tungsten Carbide wetted parts. The Magnetic Hermetic Series feature stainless steel wetted materials with a leak-free magnetic coupling and integral controller and are suitable for handling liquids which tend to crystallise, or are moisture sensitive. Pumping applications requiring a wider choice of chemically resistant wetted materials will appreciate the Modular Pump Series.

Where applications require pumps for an environment with an explosive atmosphere, the High Performance Series and Hermetic Inert Series can be fitted with ATEX motors. Available in Stainless Steel or Hastelloy C construction.

The ultra-compact size and low mass of these pump and motor units mean that they can be incorporated into the designs of many systems of OEM applications, including system builders, analytical instrumentation manufacturers, fuel cell development, continuous processing applications and low volume dosing, dispensing applications.