Watson-Marlow Peristaltic Pumps' simple, glandless, "straight-through" design, with no valves, vanes or impellers have clear advantages when handling viscous sludge with high-solid content. Benefits: Highly accurate dosing of up to ±0.1% Self-priming and dry running, with no moving parts coming into contact with the product Handles abrasive sludge with high-solids content at 100% volumetric accuracy Eliminates the need for numerous ancillary equipment