BS 4979-1:1973

Superseded

View Superseded by

Methods for testing and rating air control devices for air distribution systems Aerodynamic testing of constant flow rate assemblies without a heat exchanger

Available format(s)

Hardcopy

Superseded date

07-23-2013

Language(s)

English

Published date

08-29-1975

Publisher

British Standards Institution

Deals with constant flow rate controller characteristics, the performance of the proportioning damper fitted to a dual duct box and the degree of temperature mixing achieved by this latter, as well as with casing leakage. Both single and dual boxes are covered, also single duct units.

Committee	RHE/2
DocumentType	Standard
Pages	0
PublisherName	British Standards Institution
Status	Superseded
SupersededBy	BS 4979:1986

BS 1042-1.1(1981) : 1981	MEASUREMENT OF FLUID FLOW IN CLOSED CONDUITS - SPECIFICATION FOR SQUARE-EDGED ORIFICE PLATES, NOZZLES AND VENTURI TUBES INSERTED IN CIRCULAR CROSS SECTION CONDUITS RUNNING FULL
BS 1042-1.5(1987) : 1987	MEASUREMENTS OF FLUID FLOW IN CLOSED CONDUITS - GUIDE TO THE EFFECT OF DEPARTURE FROM THE STANDARD CONDITIONS SPECIFIED IN SECTION 1.1
BS 1042-2.3:1984	Measurement of fluid flow in closed conduits. Velocity area methods Methods of flow measurement in swirling or asymmetric flow conditions in circular ducts by means of current-meters or Pitot static tubes
BS 1042-2.2:1983	Measurement of fluid flow in closed conduits. Velocity area methods Method of measurement of velocity at one point of a conduit of circular cross section
BS 1042-2.1:1983	Measurement of fluid flow in closed conduits. Velocity area methods Method using Pitot static tubes
BS 1042-1.2(1984) : LATEST	SPEC. FOR SQUARE-EDGED ORIFICE PLATES, NOZZLES (WITH DRAIN HOLES, IN PIPES BELOW 50MM DIAMETER, AS INLET AND OUTLET DEVICES) AND OTHER ORIFICE PLATES AND BORDA INLETS
BS 4773-1:1971	Methods for testing and rating air terminal devices for air distribution systems Aerodynamic testing
BS 1042-1.4(1984) : 1984	MEASUREMENT OF FLUID FLOW IN CLOSED CONDUITS - GUIDE TO THE USE OF DEVICES SPECIFIED IN SECTIONS 1.1 AND 1.2