In the U-Do Pump Series, the motor power is transmitted without slip directly to the pump impeller with a rigid shaft (no magnetic coupling). A double mechanical seal (back to back) prevents the leakage of the media to be pumped and ensures the leak proof sealing of the centrifugal pump. The cooling and lubrication of the mechanical seals is carried out through a separate seal water circle.

Advantages of the U-DO Pump Series:

- with a connected seal water circuit (circulation system), the pump cannot be   damaged through an operating error or through malfunctions in the plant (dry run   safe under certain conditions). - applicable also for media to be pumped that do not have any lubricating properties   (e.g. varnishes and paints) - also applicable for higher viscosities or metallic particles in the medium - the highest chemical resistance - robust, thick-walled design - low-maintenance through an optimal adaptation to the medium to be pumped - long-lasting and wear resistant, various types of designs for almost all operating   conditions - open impeller (i.e. solids up to 3 mm grain size and 10 Vol. % possible) - easy to maintain (wear parts and the mechanical seal can be changed swiftly) - universally applicable, quiet and compact - various chemical resistant materials can be supplied as stock items

This results in application possibilities, amongst others, for the following application fields:	- Wastewater treatment - Laboratory applications - Environment engineering - Varnish processing operations		- Electro-plating technology - Filtration - Outside set up with fluctuating viscosities - Paper manufacturing
	- Applications for soiled and metallically contaminated media