NEN-EN 12220
Ventilation for buildings - Ductwork - Circular flanges for general ventilation-dimensions
inactive
| Organization: | NEN |
| Publication Date: | 1 December 1995 |
| Status: | inactive |
| 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
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.
NEN-EN 12220
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.