Marley Cooling Tower . Model: NC5211SM. Tonnage rating: 432. (1) 8 ft. dia. fan. Reliance (fan) motor, 25 hp, 1770 rpm, 230/460 V, 59.4/29.7 amps, 60 Hz, 3 phase. Marley gear reducer ratio: 20.2. Final rpm: 88. All standard NC cooling towers are equipped with low sound fans. This in combination with Zero Mfg. Co-splash cross flow film-fill results in a line of towers capable of meeting most noise limitations. The NC is equipped with one float-operated, mechanical makeup valves to automatically replenish lost water. The NC tower is an excellent choice for normal applications requiring cold water for the dissipation of heat. This includes condenser water cooling for air conditioning, refrigeration, and thermal storage systems. The NC can also be used in the cooling of jacket water for engines and air compressors, and are widely applied to dissipate waste heat in a variety of industrial, power and manufacturing processes. Inlet: (2) 9 ½ in. dia. flanged port (hot water manual regulated valve), (3) 2 in dia. pipe, (1) 2 in dia. pipe (water make up). Outlets: (2) 11 in. flange port, (2) 2 in. FNPT drain port (with manual ball valve). Overall dimensions: 19 ft. L x 11 ft. 5 in. W x 12 ft. 6 in H. Spare Parts: (8) fan blades + Misc. flange + clamps. (ACN378)(BI).