2001 E.L. Nickell Ammonia Recirculator. Approximate capacity: 30,000 gallons. 8 in. economizer gas outlet, 8 in. liquid outlet, 6 in. condenser drain, 4 in. transfer connection, 2-1/2 in. transfer connection, 1 in. liquid fill, (2) 1-1/2 in. column connections, 1-1/4 in. relief, 1 in. oil pot vent, (4) lift lugs, pipe stand, 1 in. drain. Vessel constructed using back up bands. Design, construction and U-stamp for 250 psig MAWP at - 20°F to +500°F DWT per ASME Section VIII, div. 1. Dimensions of vessel: 12 ft. dia. x 32 ft L.