500 gallon vertical agitated jacketed glass lined reactor. Manufactured by Pfaudler SR# S1835514. ASME code stamped for 100 PSI & full vacuum internal, 100 PSI & full vacuum on jacket, @ 450 degrees F. NB# 43176. With glass 50151. 4'6" diameter x 5' straight side, welded dished heads. Equipped with three blade retreat curve impeller agitator, mechanical seal on shaft with lubricator, driven by Pfaudler type FMDWV50400EJD agitator drive, 5 HP 3/60/440V TEFC motor. Agitator output speed 97 RPM. With nucerite "D" baffle. Openings: Top 14 x 18" manway with cover, 3-3"; 1-2" bottom outlet. Mounted on pipe legs.