Improved Grinder Efficiency


The Moyno® Annihilator™ is a twin shaft solids reduction unit designed for trouble-free performance in a variety of industrial and municipal installations including sewage lift stations, head works and sludge processing systems.

Improved Grinder Efficiency

The Annihilator’s field-proven, counter-rotating, hexagonal shaft design coupled with its 5-tooth, hardened steel cutters provide the maximum shredding strength necessary to process from 300 to 4,250 GPM (.43 to 6.12 MGD) of influent. When properly specified, the Annihilator prolongs the service life of downstream equipment such as pumps, sensors, monitors and valves.

For even greater performance, the Annihilator is fitted with patented, toothed cutting spacers that increase the unit’s efficiency, further decrease particle size and reduce the risk of failure from ragging. An exclusive seal/bearing cartridge assembly eliminates the need to disassemble the entire grinder when servicing seals and bearings.

Additional Annihilator features include the following:

  • Complements Moyno’s extensive wastewater treatment product offering
  • Dimensionally retrofits other twin shaft grinders
  • Electronic control panel offers protection from overload
  • Market leading sales, support and service network
  • Various drive, housing, cutter, spacer/cutter and shaft options
  • 3 to 5 hp motors
  • Moyno, Inc. is a leading manufacturer and marketer of Moyno progressing cavity pumps, multiphase fluid transfer systems, grinders and controls. It has an extensive worldwide stocking distribution network that serves a wide range of industries including water and wastewater treatment, pulp and paper, chemical, food, pharmaceutical, mining, petrochemical, and oil and gas recovery. Moyno, Inc. is a unit of Robbins & Myers, Inc.

    Source: Moyno

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