Used 21,216 Gallon Combustion Engineering Carbon Steel with SS Clad Vertical Pressure Vessel. 44'7"h x 9' dia. Internal Pressure rated 650PSI@300F. External Rated 70Psi@300F. Concave top and bottom. Nozzles: (5) 1", (1) 2",(1) 14" discharge. Support skirt. Past use: Store borated water under nitrogen gas blanket for emergency injection into reactor coolant system. Serial #'s: 1358, 1359, 1360, 1361. National Board #'s 22530, 22531, 22666, 22667. Built 1980. Data Sheets available. (Note: Quantity 4 - available).