NEN-EN 12220
Ventilation for buildings - Ductwork - Dimensions of circular flanges for general ventilation
active, Most Current
| Organization: | NEN |
| Publication Date: | 1 May 1998 |
| Status: | active |
| Page Count: | 11 |
| ICS Code (Ventilation and air-conditioning systems): | 91.140.30 |
| ICS Code (Flanges, couplings and joints): | 23.040.60 |
scope:
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.
Document History
NEN-EN 12220
May 1, 1998
Ventilation for buildings - Ductwork - Dimensions of circular flanges for general ventilation
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.
December 1, 1995
Ventilation for buildings - Ductwork - Circular flanges for general ventilation-dimensions
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.