1,000-Gal Stainless Steel Vacuum Tanks

North Carolina State University is soliciting quotes for two 1,000-gallon stainless steel vacuum tanks to be used in a laboratory Mach-7 Reflected Shock Tunnel for research purposes. The tanks must be constructed from 304 or 316 stainless steel for outdoor use and be rated for pressure between -14psi and +15psi. Technical specifications require a bottom drain port of at least 6 inches, at least two 1-inch NPT ports, and specific Raised Face Slip On flanges for size 10 and size 4 pipes at designated heights and orientations. All pressure vessels must comply with ASME standards, and the supplier is required to obtain drawing approval from the Principal Investigator prior to fabrication. Bids must be submitted via the Bonfire Public Portal by September 30, 2026, and must include data sheets, brochures, or descriptive literature. Evaluation is based on the most advantageous bid, with a price-matching preference available for North Carolina resident bidders who are within 5 percent or 10,000 dollars of the lowest nonresident quote. Payment terms are Net 30 days following the receipt of a correct invoice or acceptance of goods. The university reserves the right to perform inspections at the bidder's site to ensure equipment conforms to specifications before the contract award or during the contract term.