This lump breaker breaks up lumps that may happen with product during production as long as the product is soft enough to be broken mechanically. The lump breaker uses rotary knives to break down product. STANDARD CONSTRUCTION FEATURES Carbon steel or stainless steel construction12 x 12 inside square inlet and outletTwo (2) shafts with 12 square, fingersTwo (2) sets of 12 square fingers welded to housing interiorOutboard bearings with concentric locking collarExternal sealsFactory assembled rotor shaft air purge assembly complete with single solenoid air control valve, regulator and interconnecting air line - NEMA 4 enclosureGear guard painted safety orange2 HP, direct drive, gearmotor with TEFC enclosure OPTIONAL FEATURES X-Proof drive assemblyCarbon steel or stainless steel inlet andor outlet transitions