BerlinerLuft - Folded Air Duct Systems

ducts and shaped sections with rectangular cross section as per DIN EN 1505, 1507, and DIN 18379.

Material: Sheet steel, galvanised, folded, quality DX51D+Z275MA-C (DIN 10327), thickness graded according to
pressure levels

Design:  Tightness classes A, B, and C as per DIN EN 1507,  Stainless steel 1.4301; 1.4571, thickness 0.8 mm and 1.0 mm
Aluminium AL 99,5 hh, ALMg 3, thickness 1.0 mm, 1.2 mm, and 1.5 mm, Platal; galvanised sheet steel,
FAL (hot-dip aluminised sheet steel), Folded sheet metal ducts and shaped sections, longitudinal seams folded, connections profiled or plugged, walls stiffened by trapezoidal stiffening corrugations Standard duct section length: 1500 mm (also with profiled frame)

STAINLESS STEEL 1.403 OR 1.4571

Sheet steel ducts and shaped sections with square cross-section similar to DIN EN 1505, 1507, and DIN 18379.

Material: 1.4031 or 1.4571 (surface 2B according to DIN EN 10088)

Sheet thickness: 0.8 mm and 1.0 mm. Corners sealed or full seal (corners, frames, folds)

Design: Folded longitudinal seams, connection via profiled frame, guide plate arrangement according to DIN EN 1505. Walls reinforced by beads, additional wall stiffening according to BerlinerLuft. factory standard. Subsequently treated spot-welds.

Standard duct section length: 1500 mm (also with plugged-on frame)

ALUMINIUM

Sheet steel ducts and shaped sections with square cross-section similar to DIN EN 1505, 1507, and DIN 18379.

Material: Aluminium AIMg3

Sheet thickness: 1.0 mm and 1,2 mm,  Corners sealed or full seal (corners, frames, folds)

Design: Folded longitudinal seams, connection via profiled frame, guide plate arrangement according to DIN EN 1505. Walls reinforced by beads, additional wall stiffening according to BerlinerLuft. factory standard. Subsequently treated spot-welds.

Standard duct section length: 1500 mm (also with plugged-on frame)