ESCO Spiral Round Duct produced from galvanized steel sheet, stainless steel or other types of metal sheets are designed to comply with SMACNA and ASHRAE standards. The spiral round duct is produced by duct forming machine with strong spiral seams providing reinforcement that are made to meet ASTM A635
SPECIFICATION OF ESCO SPIRAL ROUND DUCT
Material : Galvanized Steel Sheet, Stainless Steel
Thickness : 0.45 mm. to 1.2 mm.
Diameter produced : 4” to 80” (100 mm. to 2,000 mm.)
Length produced : 2 meter long or according to requirement
Maximum Pressure : 4 inch W.G.
Insulation : Can either be insulated With rubber thermal insulation or fiberglass insulation