2003 Henry Technologies Chil-Con Products Chiller with Surge Drum. Surge drum: model: RA-16084-500, Chiller: model: FA-18108-400, Last used with ammonia(R-717) producing 87.25 tons with an evaporating temperature of 23°F and a tube side gpm flow of 311 using a 20% propylene glycol solution. Surge drum: MAWP: 250 PSI at 400F, MDMT: -20F at 250 PSI. Chiller: Shell side: MAWP: 250 PSI at 200F MDMT -20F at 250 PSI. Tube side: MAWP: 150 PSI at 150F MSMT -20F at 150 PSI. (3) Parker Refrigeration Specialties Division Type LL float switches on 1-1/4 in. connection. (3) Nibco ball valves on various size connections: 1-1/4 in. (2) ¾ in. on C.A. Norgren Co. dial gauges. (2) Hansen 3-way valve on 1 in. outlet: size 1/2 in., cat: H5601, (2) 2-1/2 in. sight glass. Inlets / Outlets: surge drum: 3-1/2 in pipe, 2-1/2 in. Bottom: (2) 1-3/4 in., (2) 4-1/2 in. Overall dimensions: 11 ft. 9 in. L x 4 ft. 3 in. W x 6 ft. 9 in. H.(ACN187).