The Boerger BLUEline rotary lobe pump is a self-priming, valveless, positive displacement pump used for the conveyance of biosolids, grease, sewage, scum, lime slurry, alum sludge, permeate and polymers. There are 21 pump models in six series with pulsation-free operation, fully reversible rotation, dry run capabilities and flow rates up to 7,500 gpm. They are stable and wear-resistant with MIP-Design (Maintenance in Place) that allows for all wetted parts to be easily replaced through the front cover without the removal of pipe or drive systems. 844/263-7437; www.boerger.com.