Refrigeration Valves and Systems Ammonia Recirculating Package 54 in. Dia x 115 in. L. S/N: 87107. MAWP: 150 psi @ 650 °F. Minimum working temperature: -45 °F. Maximum pressure at minimum temperature: 60 psi. Refrigeration Valves and Systems Ammonia Tank: S/N: 87136, Nat'l Bd: 862, MAWP: 250 psi @ 300 °F, MDMT: -20 °F @ 250 psi. 1996 E.L. Nickell Ammonia Tank: S/N: 45995, Nat'l Bd: 43180, MAWP: 300 psi @ 650 ºF, MDMT: -20 °F @ 300 psi and -50 °F @ 120 psi. (3) Hansen Technologies Hermetic Centrifugal Pumps, S/N's: CH-82028, CH-39351R, and CH-39983R, Cat. No: CAM 2/3, Size: F, capacity: 6.6 @ 173 tdh. (3) AGX Motors, 4.5 hp, 3400 rpm, 440 V, 7.5 amps, 60 Hz, 3 phase. Inlets and Outlets: (1) 8 in. dia. suction port, (2) 2 in dia. , (1) 8 in. dia, (1) 1 in dia. out to valve, (1) 1 in. drain valve, (1) 3/4 in dia. FNPT valve. Overall dimensions: 12 ft. 4 in. L x 6 ft. W x 10 ft. 6 in. H. (RTD).