Used 9300 gallon (300 BBL) 304 stainless steel jacketed pressure vessel. Manufactured by Ziemann Bauer GmbH. Vessel Rated 29psi @86F, jacket rated 43psi @86F. 10' dia x 24' tall. Dished head and bottom.Previously used in brewery as brite pressure vessel, cooled with Glycol @24F. National board #163. Serial #8641-14300129/3000. Built 2012.