Used 400 liter Precision Stainless reactor, 316L stainless steel construction, removable dish top, dish bottom, rated 50 psi and full vacuum at 302 f internal, 304L stainless steel jacket rated 100 psi and full vacuum at 302 f, top mounted Lightnin SR agitator drive, with shaft and prop agitator, model SR5S50, .5 HP, 230/460 volt XP motor, on legs, Serial# 210636-12, National board# 9446, new 2001.