15000 gallon Roberts Co horizontal T316L stainless steel tank. 10' 6" diameter x 26' 10" overall legnth with (1) 4" stiffner ring. Internal rated 20 PSI @ 150 degrees F. NB# 168. Built 1995. Shell 3/8" thick. Heads 5/16" thick. Mounted on (3) T 304 stainless saddles. Fittings top: (2) 4" (1) 3" (2) 8" agitator flange (1) 20" manway (1)2" (1) 10" (1) 6". Bottom fittings: (3) 1 1/2" and (1) 4" end bottom dishcharge. Weight empty: 17,000#. Equipped with (2) 1 1/2 HP Lightnin agitators model # B77V3038MPM.