Used 50 gallon Evans and Sons Inc vertical T-316L stainless steel jacketed vacuum tank. 20" diameter x 36' high straight side. Welded dished heads. Internal rated 30/FV @ 200 degrees F. T-304L stainless dimple jacket rated 90/FV @ 200 degrees F. Jacket rated 90/FV @ 200 degrees F. NB# 525. Built 1991. Mounted on legs. Fittings top: (3) 2" (1) 4". 2" center bottom drain equipped with external level indicator.