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BS 4857-1:1972

BS 4857-1:1972

Current

Current

The latest, up-to-date edition.

Methods for testing and rating terminal reheat units for air distribution systems Thermal and aerodynamic performance

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

10-11-1972

Publisher

British Standards Institution

Co-operating organizations
Foreword
Methods
1 Scope
2 Definitions
3 Nomenclature
4 Instrumentation
5 Test for casing leakage
6 Test of constant flow rate controller characteristics
7 Test for air flow pressure characteristics
8 Heat transfer measurements
9 Rating examples
Figures
1 Thermometer pockets in pipes less than 75 mm diameter
2 Typical open circuit test equipment
3 Typical closed circuit test equipment
4 Inlet air supply
5 Piezometer ring and inverted tube pattern manometer
6 Water temperature correction factor
7 Thermal characteristics
8 Rating example

Describes methods of thermal and aerodynamic testing and rating for high pressure terminal reheat units with or without flow rate controllers. It describes the equipment required and gives instructions for the calculation, interpretation and interpolation of results.

This Part of this British Standard describes methods of thermal and aerodynamic testing and rating for high pressure terminal reheat units with or without flow rate controllers. It describes the equipment required and gives instructions for the calculation, interpretation and interpolation of results.

Committee
RHE/6
DevelopmentNote
Supersedes 71/30799 DC. (07/2005) Reviewed and confirmed by BSI, December 2012. (11/2012)
DocumentType
Standard
Pages
22
PublisherName
British Standards Institution
Status
Current

BS 4857-2:1978 Methods for testing and rating terminal reheat units for air distribution systems Acoustic testing and rating

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 1041:1943 Code for temperature measurement
BS 1042-2(1964) : LATEST

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Hardcopy - English
PDF - English
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