Stainless Steel Falling Film Plate Chiller. Refrigerant: NH3 (ammonia). Number of plates: 16. Plate dimensions: 5 ft. 7 in. L x 3 ft. 8 in. H. Number of corrugations: 22. Reservoir Tank- 590 Gallon, inside straight-wall dimensions: 6 ft. 4 in. L x 7 ft. 3 in. W x 2 ft. H. Inlets: (1) 1-1/2 in. dia. refrigerant feed port, (1) 2 in. dia. liquid feed. Outlets: (1) 2 in. dia. NPT liquid discharge, (1) 4 in. dia. refrigerant suction port, (1) 6 in. dia. female I-line discharge. Overall dimensions: 10 ft. 1 in. L x 6 ft. 8 in. W x 7 ft. 5 in. H. (BG).