Welded ducting
components

Technical specifications

SHEET STEEL

Sheet metal ducts and fittings with rectangular cross-section as per DIN EN 1505, 1507 and VDI 3808

Material: sendzimir galvanised thin sheet metal, quality DX51D + Z275MA-C (DIN EN 10346 and DIN EN 10143) and black sheet S 235 JRG2 as per DIN 10130

Sheet metal thickness: for pressure rating H^E

Design:  tightness class C and D according to DIN EN 1507, end connection with angle frame or formed frame. Perforated as per BerlinerLuft. factory standard. Turning vanes as per
DIN EN 1505. Fixed duct length according to frame connection

STAINLESS STEEL, SURFACE MATT OR SHINY

Sheet metal ducts and fittings with rectangular cross-section similar to DIN EN 1505, 1507 and VDI 3808

Material: 1.4301 or 1.4571, surface matt or shiny

Sheet thickness: as required, tightness class C and D according to DIN EN 1507. Stricter requirements such
as nekal tightness as per DIN on request.

Design:  end connection with angle frame or formed frame, turning vanes as per
DIN EN 1505. Perforated as per factory standard (hole spacing 125 mm). Fixed duct length according to frame connection.

ALUMINIUM

Sheet metal ducts and fittings with rectangular cross-section similar to DIN EN 1505, 1507 and VDI 3808

Material: aluminium AL 99.5 hh and ALMg3

Sheet thickness: 2.0 mm and 3.0 mm

Design:  tightness class C and D according to DIN EN 1507. Stricter requirements such as nekal tightness as per DIN on request.

Fixed duct length: 1,500 mm (with flush angle frame)