Used approx 500 gallon Pfaudler, Model CV48-500-50, Glass Lined Tank. 48” dia x 58" straight side. Rated 50 PSI @ 450 deg F. Glass 5019. Originally built 1980, Serial # E280-0446, National Board # 39539. Top Nozzles: 12 x 16" Manway, (6) 3". Repaired by Pfaudler 1989 (and reportedly unused since). Repair # R690-8045. Note: Missing manway cover.