Used Pfaudler 1 gallon glass lined reactor. Internal rated 750 PSI / Full vacuum @ 450 degrees. Jacket rated 675 PSI/ 660 with Full vacuum internal @ 450 degrees F. Glass type 5015. Agitator and drive 1/2 HP motor and mechanical seals. Mounted on frame with a hydraulic lift. SN R188-0420. Built 1987.