Used 2400 Gallon 304 Stainless Steel high pressure Column/Vessel. Demethanizer Vessel rated 500 PSI @ -200 F. Unit is 48" Dia. x 24'6" Straight Side. Shell & head thickness: 11/16". Mounted on skirt. (5) trays near top of column. ASME Coded. U-Stamp. Built by Delta Southern, S/N: 44628-65-1.