19,800 gallon horizontal T316L stainless steel pressure tank. by Roberts Co. 114†diameter x 417†long straight side. Dished ends. Internal rated 15 PSI @ 150 degrees F. NB #255. Built 1997. Shell ¼†thick. Heads 5/16†thick. Fittings top: (1) 3†(1) 10†(1) 3†(1) 8†(1) 4†(1) 20†manway (1) 4†(1) 8†(1) 3â€. North end: (1) 3†and (1) 18†manway. South end: (1) 18†manway. Bottom: (3) 4†and (1) 2†flange. External stiffener rings and support saddles T304 stainless steel. (2) dual blade agitators driven by Lightnin 1.5 HP model XLC100F motors.