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  • BSI
    BS EN 1751:2024 Ventilation for buildings. Air terminal devices. Aerodynamic testing of damper and valves
    Edition: 2024
    $442.60
    / user per year

Description of BS EN 1751:2024 2024

This document specifies methods for the testing and rating of dampers and valves used in air distribution systems with pressure differences up to 2 000 Pa. The tests incorporated in this document will address: - leakage past a closed damper or valve (for classification, see Annex C); - casing leakage (for classification, see Annex C); - flow rate/pressure requirement characteristics; - torque: (see Annex A); - thermal transmittance: (see Annex B). The tests specified above are applicable to the following: - measurement of leakage past a closed damper or valve; - measurement of casing leakage; - determination of flow rate and pressure requirements; - measurement of torque characteristics (see Annex A); - measurement of thermal transfer characteristics to determine insulation properties (see Annex B). This document does not apply to the acoustic testing of dampers and valves. NOTE Certain aspects of the dynamic performance of dampers and/or valves are dependent upon the air distribution system to which they are connected and are, therefore, difficult to measure in isolation. Such considerations have led to the omission of these aspects of the dynamic performance measurements from this document. Also, in common with other air distribution components, the results from tests carried out in accordance with this document might not be directly applicable if the damper or valve is situated in an area of non-uniform flow.

Standard NumberBS EN 1751:2024
TitleVentilation for buildings. Air terminal devices. Aerodynamic testing of damper and valves
StatusDefinitive
Publication Date2024-05-30
ReplacesBS EN 1751:2014
Identical National Standard OfEN 1751
DescriptorsVentilation equipment, Ventilation, Dampers (air conditioning), Pressure measurement (fluids), Test equipment, Air terminal devices, Accuracy, Testing conditions, Thermal transmittance, Flow rates, Thermal testing, Mathematical calculations, Grades (quality), Mechanical testing, Pressure testing, Leak tests, Aerodynamic characteristics, Air-conditioning equipment, Air-distribution systems, Valves, Torque, Flow measurement
ICS91.140.30 Ventilation and air-conditioning systems
CommitteeRHE/2
ISBN978 0 539 21308 9
PublisherBSI
Pages34

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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