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Compact, fully integral dosing systems for fine chemical & pharmaceutical applications

01 May 2018

A Modular Dosing System (MoDoS) which provides highly accurate and continuous delivery of fluids in laboratory, pilot-plant or continuous production processes has been introduced by Michael Smith Engineers.

Each tailor-made MoDoS modular pump system is fully equipped and ready-to-use and incorporates a HNP Mikrosysteme internal gear pump, filters, sensors, valves, fluid connections and controllers, all housed within a compact and sturdy aluminium frame. 

The integral micro-annular gear pumps from HNP Mikrosysteme are chemically inert and particularly suited to handling aggressive and corrosive fluids. Their ranges of hermitically sealed pumps with a magnetic drive can be incorporated into the MoDos dosing unit, so  there are no issues with rotating seals failing. This means, increased operator safety, optimised production, no cross contamination of pumped fluids, no wastage and no environmental hazards due to leaks. 

The systems, which are ideal for fine chemical or pharmaceutical applications, can be specified for capacities ranging from 0.003 up to 1152ml/min, differential pressures up to 80 bar and on liquids with viscosities from 0.3 to 1000 mPa. 

The range comprises five models; Mini, Lab, Slim, Pilot and Pro with each model able to be fully customised to suit specific application requirements. The MoDoS Mini is the smallest, bench-top option consisting of pump, filter and check valve. The Lab, Slim, Pilot and Pro models include a flow meter with integrated controller and display for local control. The on-board controller allows a module to operate independently or be integrated into an external process control system. MoDoS Slim is a frame mounted system with additional features such as; inlet isolation, pressure relief valves, manometer and drip tray. 

The MoDoS Pilot and Pro systems incorporate a dual flushable filter system for easy maintenance. The Pro model is mounted on swivel castors for easy transport and enables multiple models to be connected together and stacked. 

The open design of each system ensures easy access and exchange of all the key components and the corrosion resistant wetted materials means extended pump life and increased time between servicing. 

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