Used Mueller Reactor, 1000 Liter (264 Gallon), 316 Stainless Steel, Vertical. Approximate 42" diameter x 36" straight side, dish top and bottom. Internal rated 50 psi Full Vacuum at 300 degrees F. Jacket rated 75 psi at 300 degrees F. Top openings: 18" manway with cover, 3", 5". 1-1/2" center bottom outlet. Built 1980, serial number P8341-4, national board number 7494