Zero-leakage standardized chemical pump
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Zero-leakage standardized chemical pump

SF's novel Secochem canned motor pump offers zero-leakage operation in chemical and process engineering applications. A combination of time tested standardized chemical pump hydraulics and a canned motor, the Secochem matches simple handling with high operating reliability. The quiet, liquid-cooled motor has a corrosion-resistant can made of Hastello, i.e. a non-magnetizable material that minimizes eddy current losses and promotes high efficiency. The motor winding is sized for operation with a frequency inverter. Together with a trip device in the control cabinet, the PTC thermostats in the motor winding ensure that the maximum permissible winding temperature is never exceeded. Thanks to sophisticated medium circulation - irrespective of the pump's installation position - the self-venting motor enables the pump to start without an elaborate venting process. Generously sized, medium- ceramic bearings provide for long service lives and inspection intervals. The pump casing and rotor space are available with a heating option to prevent jamming caused by media that turn viscous or solid upon cooling. The geometric proportions of this new pump generation allow a conventional SF standardized chemical pump with a mechanical seal to be upgraded to a leak-free canned motor variant. Existing pump components can also potentially be re-used.