BS EN 12220:1998
Current
The latest, up-to-date edition.
Ventilation for buildings. Ductwork. Dimensions of circular flanges for general ventilation
Hardcopy , PDF
English
15-08-1998
Foreword
Introduction
1 Scope
2 Normative references
3 Definitions and symbols
4 Dimensions
Annex A (informative) Examples of thickness, breadth
and materials of flanges
Annex B (informative) Examples of different constructions of
flanges
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