Powder World 2009 Beijing China

December 2007 - Product of the Month

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Rotor Detection System for Rotary Valves

- For critical rotary valve applications such as for food or infant formula manufacture when rotor scrapping must be immediately detected to prevent the contamination and downgrading of the product, Nu-Con has the solution.

Nu-Con Rotor Detection System for Rotary ValvesThe “Rotor Detection System” uses a modified valve design in which the rotor is electrically isolated from the housing, and both elements are connected to a controller via a slip ring commutator. The controller includes a isolated switch amplifier to remotely monitor the system using an intrinsically safe circuit.

If there is any contact between the rotor and the housing then the system detects this and a warning signal contact is made, which can be used to either send a warning to the operators via the plant SCADA system, or automatically shutdown the valve.

Coupled with this Nu-Con have developed a bottom mounted Easy-Slide Rotor Support System (photo shown). A rotor support adjustment mechanism has improved the rotor support so that during assembly rotor scraping is eliminated.

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