Used Pfaudler 10 gallon T316L stainless steel reactor. Internal rated 135 PSI @ 500 degrees F. Jacket rated 125 PSI @ 500 degrees F. Double motion agitator 25 - 100 rpm with scraper 16 - 50 rpm. NB# 30095. Built 1971. S/N: E371-0352. 2.5 DTW dual drive.