DOUBLE WALL INSULATED DUCTING

The U.S. Army is seeking a supplier to provide a complete dual‑wall insulated aluminum spiral duct system, including straight pipe, elbows, reducing fittings, flanges, and clamps, to meet specified dimensions and insulation requirements. Quantities are modest and the work is strictly product delivery; no installation or engineering services are described. • Straight dual‑wall insulated duct pipe – 140 ft, 30 in ID × 34 in OD, 0.040 in wall, 2‑in fiberglass insulation • 90° and 45° insulated aluminum elbows (4 and 2 units respectively) • Reducing lateral cross fitting (30 in → 28 in main, two 12 in branches) • AccuFlange connection system – 41 units • QuickDraw clamps – 21 units with self‑sealing gaskets • Additional 28‑in and 12‑in flanges – 3 units total The solicitation provides part codes and detailed technical specs but no schedule, pricing ceiling, or performance period.