2000 Feldmeier Stainless Steel Triple Tube HTST. (36) media and product tubes constructed of grades 304 and 316 stainless steel, respectively. Respective maximum tube temperature and pressure ratings are 270°F and 25 PSI. Tube wall thickness: 0.063 in. Outer tube dimensions: 2 1/2 in. dia. x 31 ft. L, total holding capacity: 270 gallons. Intermediate tube dimensions: 2 in. dia. x 31 ft. L, total holding capacity: 173 gallons. Inner tube dimensions: 1-1/2 in. dia. x 31 ft. L, total holding capacity: 93 gallons. Inlets/Outlets: (4) 2 1/2 in. dia. S-line fittings (product), (4) 4 in. dia. S-line fittings (media). Overall dimensions: 32 ft. 4 in. L x 3 ft. 8 in. W x 8 ft. H.