Flat flanges for HVAC Systems In part identical with EN 12220 Material 1.0038 mild & galvanized steel 1.4301, 1.4571further materials on request d4 Part N° Part N° Part N° All measurements are in millimetres and weights in kg. 12 eskale* In part identical to the European standard EN 12220 (July 1998 Issue) * EN 12220 (DN150) stipulates a bolt circle k0 = 182 mm **EN 12220 (DN300) stipulates a bolt circle k0 = 337 mm

July 1990 Flat flanges for HVAC Systems Material 1.0038 mild & galvanized steel 1.4301, 1.4571further materials on request Ducting, crimped All measurements are in millimetres and weights in kg.

DIN24154 Annex 3 fixedJuly 1966 Issue Flat flanges for HVAC Systems Material 1.0038 mild & galvanized steel 1.4301, 1.4571 further materials on request All measurements are in millimetres and weights in kg.

July 1966 Issue Flat flanges for HVAC Systems Material 1.0038 mild & galvanized steel 1.4301, 1.4571 further materials on request Ducting, crimped Flange, loose All measurements are in millimetres and weights in kg.

DIN24154 Annex 4 fixedJuly 1966 Issue Flat flanges for HVAC SystemsMaterial 1.0038 mild & galvanized steel1.4301, 1.4571 further materials on request All measurements are in millimetres and weights in kg.

July 1966 Issue Flat flanges for HVAC SystemsMaterial 1.0038 mild & galvanized steel1.4301, 1.4571 further materials on request Ducting, crimped Flange, loose Part N° Part N° Part N° All measurements are in millimetres and weights in kg.

DIN24154 Annex 5 October 1975 IssueFlat flanges for HVAC Systems Material 1.0038 mild & galvanized steel 1.4301, 1.4571further materials on request Ducting, crimped Flange, loose All measurements are in millimetres and weights in kg. 18eskale* Above the nominal diameter of DN 1120-2000 for materials 1.4301, 1.4571, 1.4541 and all other stainless steels material, dimensions of 60 x 8mm are used.