The SCM series electric pumps are with a single centrifugal impeller particularly suitable for civil and industrial uses to pump clean water and chemically non-aggressive liquid.Regarding as a traditional water pump with a single centrifugal impeller cantilevered on the motor shaft directly , the SCM series pumps have a compact size,extremely reliable,very simple to use and almost maintenance-free.These pumps should be installed in a covered area,protected against the weather.