Non-Clogging Impeller facilitates wastewater pumping.

Grundfos Pumps Corp.    Allentown, PA 18103
May 25, 2012 Featuring patented labyrinth and sealing system for trouble-free operation, S-tube Impeller optimizes hydraulic efficiency without compromising free passage. Design eliminates need for advanced add-on assemblies, which are designed to cut, shred, or treat wastewater as it flows through pump. There are no edges, dead zones, or cutting functions that get worn over time. Method for balancing impeller ensures smooth operation, minimizing vibration, noise, and abrasive wear.