Used approximately 1000 gallon vertical stainless steel vertical mix tank. Approximately 66" diameter X 60" straight side. Dished heads. 3.34 psi at 250 degrees F. Top entering spray ball. 19" manway. Top head: 4" sight glass. 3" nozzle and (2) 1 1/2" nozzles. 2" center bottom outlet. 4' 6" clearance. 5 legs. Built by APV. 1982.