500 Gallon Water Trailers MCoE. 500 gallons oval straight barrel, no slope, made of 10-gauge Type 304L stainless steel Composition. Percent composition: carbon (0.035 max), manganese (2.00 max), phosphorus (0.05 max), sulfur (0.030 max), silicon (1.00 max), nickel (8.00-13.0), chromium (18.0-20.0), iron (balance). Certified under NSF/ANSI 61 which indicates it is approved for use with drinking water and made of food grade materials. Reference Annex C and tables 3.1 and 3.2 (Material-specific analyses). Double wall insulated with a stainless-steel weld. Heads shall be flanged style for strength made of 10-gauge T304L stainless steel, T-304L. Drain plug in bottom. Tank shall be mounted directly to trailer decking. INTERIOR: Welded using W4 and/or W5
