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Low-speed hollow rotary disc pumps handle suspended solids

02 January 2015

A new range of hollow rotary disc pumps that operate at low speeds and handle more challenging liquids such as those with suspended solids or higher viscosities (up to 200,000 cSt) has been introduced by Michael Smith Engineers.

These Italian manufactured 3P Prinz pumps operate at discharge pressures of up to 8bar as standard, although high pressures versions can be specified for discharge pressures up to 20bar. They are available in a choice of wetted materials, including cast iron, bronze and stainless steel to ensure broad chemical capability, extended pump life and longer service intervals.

With multiple porting and seal options, the pumps are self-priming and, in addition to coping with liquids containing suspended solids, they also provide a low-pulsing, accurate output. The self-priming design with high suction lift capability simplifies installation on-site, while its modular construction ensures simple maintenance operations without the need to disconnect the pump from piping.  The elasticity of the disc also allows for thermal expansion and passage of solid particles in the liquid.

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