Hosokawa Bepex Rietz RA-12 Disintegrator. Model: RA3-12-K122. Serial No: RA-86001771. Motor: 40 HP, 230/460 Volt, 3545 RPM, TEFC. RA Series Disintegrators are widely used for fine pulping of many food products, and for fine dispersing and homogenizing in both the food and chemical industries. In addition, these Rietz disintegrators have the capability of doing high-speed shredding and wet grinding of many fibrous and other extremely tough materials. With stainless steel base. Overall dimensions: 29 in. W x 70 in. L x 65 in. H.