Chester-Jensen Co Ste-Vac Heater. Model: SV-20. Capacity: 18,000 lbs/hr (40 °F-90 °F), 20,000 lbs/hr (85 °F-190 °F), 20,000 lbs/hr (190 °F-230 °F). Number of tubes: 24. Length of inner tubes: 10 ft. Tube diameter: 1-1/2 in. The economical, no burn-on flavor saver. Steam heated and fully CIP'able. The Ste-Vac heater is specifically designed to heat milk and milk products without formation of milk stone or burn-on on the heating surfaces. Ste-vac heaters can be used in: powdered milk production as a pre-heater, pasteurizing cream as high-temperature-short-time pasteurizers, pre-heaters for fluid milk before entering vat pasteurizers, ice-cream mix processing, pre-heating milk for separators, and for pasteurizing milk in cheese production. Inlets: (1) 1 in. dia. NPT (female, media), (1) 1-1/2 in. dia. S-line fitting (product). Outlets: (1) 1 in. dia. NPT (male, media), (1) 1-1/2 in. dia. I-line fitting (product). Overall dimensions: 10 ft. 8 in. L x 33-1/2 in. W x 74 in. H. (XMR5)