Used approximately 6000 gallon vertical stainless steel tank. Approximately 11' '6"' diameter X 7' 6" straight side. Dished top and bottom heads..Rated 50 psi / Full Vacuum @ 250 degrees F. Built 1990. NB Stamped. Trinity Mfg. 2" Center bottom outlet. Side manway. Legs. Side entering homogenizer type agitator with dual speed 50/25 Hp Motor.