Used 2000 gallon 316L stainless steel vertical pressure vessel, Mfg. by Knights Piping Inc. Rated for 50 psi & FV @ 450 Deg. F (-58 Deg F @ 50 psi & FV). Dimensions: 3' Dia x 9' T/T, lug mounted. Serial #KPI-67, National Board 24, Year Built: 1990. Previous Service: Tank Drum Off/Treat, Estimated Weight: 3,200#