Used 100 gallon Dedietrich glass lined reactor. Internal rated 150/FV @ 500 degrees F. Jacket rated 100/85 PSI @ 500 degrees F. Clamped top head rated 25 PSI/FV @ 500 degrees F. Top head national board #2164, serial #31498, built 1979. 3 blade retreat curve agitator with calibration lines. Baffle. Reactor body national board 6188, serial 35523, glass 3009, built 1990. Glass in excellent condition. (Bottom nozzle - Glass damage)