N°6 – Single speed, multi-speed and variable speed pumps training – NVQ Level

Dry rotor pumps are still often single speed. Wet rotor pumps were generally multi-speed (see the video below).

Start the film below and watch a three speed canned rotor pump in action.

The canned rotor pumps installed these days are more often variable speed synchronous motors. These models have been in general use since the 1^st January 2013.

Variable-speed canned rotor pump