Used 1500 liter (Approx 400 gallon) Presicion Stainless reactor, 316L stainless steel construction, 54" diameter x 45" straight side, dish top and bottom, rated 45psi at 338 F internal, 304L stainless steel jacket rated 100 psi at 338 F, off center top entering Lightnin agitator drive with mechanical seal, .30 HP dc motor drive, 18" man way, 4" sight glass, 3", (2)2", (5)1.5" top nozzles, 1.5" center bottom outlet, Serial# 5475-2, National Board# 3868, new 1991.