90.93 Standard confirmed May 16, 2024
CEN
CEN/TC 156 Ventilation for buildings
European Norm
23.040.60 Flanges, couplings and joints | 91.140.30 Ventilation and air-conditioning systems
This European Standard specifies dimensional characteristics of circular flanges for sheet metal ductwork. It applies to ductwork used in ventilating and air conditioning systems in buildings, subject to human occupancy. For flange dimensions of industrial fans see ISO 6580 and ISO 13351.
Legislation related to this standard
Regulation (eu) No 305/2011 of the European Parliament and of the Council of 9 march 2011 laying down harmonised conditions for the marketing of construction products and repealing council directive 89/106/eec
PUBLISHED
EN 12220:1998
90.93
Standard confirmed
May 16, 2024