Aerotechnik E. Siegwart GmbH

u. Hofwiesen 4, 66299 Friedrichsthal, Germany

SPIRAL DUCTS (RW)

Made of sendzimir galvanized steel

Also available in stainless steel (material no. 1.4571) up to ø630 mm

Delivery length from stock: Pieces of 3 m

Sheet thickness of the pipes in stock:

ø 71 - 160 mm = 0.5 mm

ø 180 - 355 mm = 0.6 mm

ø 400 - 630 mm = 0.75 mm

ø 710 mm = 0.9 mm

Other sheet thicknesses on request