Spiral Circular Ducts

DVAC Spiral Circular Ducts are manufactured using high‑quality materials to ensure strength, durability, and performance.

Ducts are constructed from:

• • – LFQ Galvanized Steel complying with ASTM A653, with G90 coating designation
  • – Stainless Steel complying with ASTM A240 / A480
  • – Aluminum complying with ASTM B209, Alloy 3003, Temper H14

DVAC Spiral Ducts are available in:

• • – Single Wall:  Ø 100 mm up to Ø 2,500 mm
  • – Double Wall: Ø 100 mm up to Ø 1,450 mm

All spiral circular ducts are manufactured in compliance with SMACNA standards, ensuring high structural integrity and performance.