BS 4979-2:1974
Superseded
View Superseded by
Aerodynamic testing of variable flow rate assemblies without a heat exchangerMethods for testing and rating air control devices for air distribution systems
Hardcopy
English
07-22-1974
07-23-2013
Deals with the testing of the variable flow rate control characteristics (using a simulated external signal) and casing and damper leakage, as well as (in the case of dual duct variable flow rate boxes) the efficiency of mixing following the transition from variable flow rate, and the flow proportioning damper.
| Committee |
RHE/2
|
| DocumentType |
Standard
|
| Pages |
0
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
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