Used 650 GAL Stainless Steel Reactor Body. 4'6" ID x 5'4" straight side. Dished heads. 316L-SS Shell rated 50 PSI/FV @ 400 deg F. 304-SS Jacket rated 100 PSI/FV @ 400 deg. F. Wall thickness: .5625". 18" Top Manway, multiple top nozzles. 3" Center bottom outlet. Mfg by Ward Tank, 2001. S/N: W-4591-B. NB# 2758.