Used Approx. 564 gallon Carbon Steel (SA-516-70) Vertical Pressure Tank (Previous Use: Scrubber). 4' ID x 6' Straight side. (OAL - 9' 4"). Rated 75 PSI @ 300 deg F. Built by Allegheny Boiler, 1993. S/N: 1513-C, NB# 59. Previous use: Ammonia Scrubber. Weight: 4,200 lbs