One used 200 liter (approx. 50 Gal) Pfaudler Glass-lined Reactor. Interior Pressure rated for 100 PSI @ 450 Degrees. Jacket Rated for 95 PSI @ 350 Degrees. 2 HP Plastic propellor Agitation. 7.5" wide porthole/ 13.5" flange, (4) 3.5" ports/9" flanges. Serial #R188-0536. Made in 1988.