British & International Standards

BS 4773

Standard Number: BS 4773:Part 2:1989, EN 25135:1991, ISO 5135-1984
Title: Methods for testing and rating air terminal devices for air distribution systems. Acoustic testing
Abstract: Testing in reverberation rooms of air terminal devices, high/low velocity/pressure assemblies, dampers and valves used in air diffusion and distribution systems.
Status: Superseded, Withdrawn
Publication Date: 1989/09/29
Cross References: BS 4196:Part 0, BS 4196:Part 1, BS 4196:Part 2, BS 4773:Part 1, BS 4979, BS 6821, ISO 3258, ISO 5219,
Withdrawn on: 1999/03/15
Replaced by: BS EN ISO 5135:1999,
Replaces: BS 4773:Part 2:1976,
International Relationships: EN 25135:1991 Identical , ISO 5135:1984 Identical
Amended by: AMD 6971, April 1992 (£0.00(M), £0.00(NM))
Supersedes Draft: 81/54476 DC
Descriptors: Air terminal devices, Air-distribution systems, Air-conditioning equipment, Acoustic testing, Testing conditions, Noise (environmental), Sound intensity, Air-conditioning systems, Dampers (air conditioning), Acoustic measurement