Used 100 gallon Pfaudler stainless steel glass lined reactor, rated 185 PSI at 450 f or 190 psi and full vacuum at -100 f internal, jacketed for 150 psi at 520 f or 150 psi at -100 f, 2.5 DTW Pfaudler agitator drive with mechanical seal, hydraulic motor less pump, 3 blade retreat curve agitator, fin baffle, 316 stainless steel construction with 4019 glass lining, serial# R190-0410, national board# 45991, built 1990.