BS ISO 15665:2023 – TC

$258.26

Tracked Changes. Acoustics. Acoustic insulation for pipes, valves and flanges

Published By	Publication Date	Number of Pages
BSI	2023	103

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Categories: 91.120.20 - Acoustics in building. Sound insulation, BSI

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PDF Catalog

PDF Pages	PDF Title
53	National foreword
58	Foreword
60	1 Scope 2 Normative references 3 Terms and definitions
62	4 Classes of acoustic insulation
65	5 Guidance to the reduction of noise from pipes 5.1 Required insertion loss: design phase steps 5.1.1 Determination of sound pressure levels
66	5.1.2 Evaluation of sound pressure levels against limits 5.1.3 Determination of sound power levels
67	5.1.4 Contribution to noise in reverberant spaces or environmental noise 5.2 Required insertion loss: operating plants
68	5.3 Length of acoustic insulation 5.4 Implications for piping design
70	5.5 Derivation of overall noise reduction
71	5.6 Typical noise reduction values
72	6 Construction of typical acoustic insulation systems 6.1 General 6.2 Cladding 6.2.1 General
73	6.2.2 Materials for the outer layer 6.2.3 Materials for an additional layer 6.2.4 Vibro-acoustic seals
74	6.3 Porous layer
75	6.4 Support of the cladding 6.5 Vibration isolation material at pipe supports 7 Installation 7.1 General
76	7.2 Extent of insulation 7.3 End caps 7.4 Acoustic enclosures and jackets 7.5 Prevention of mechanical damage
77	8 Combined thermal and acoustic insulation 8.1 General 8.2 Hot services 8.3 Cold services 9 Testing of acoustic insulation systems 9.1 General
78	9.2 Measurement method: Field measurement 9.2.1 Sound power insulation, DW 9.2.2 Sound pressure insulation, Dp
79	9.3 Measurement method: reverberation room 9.4 Test facility 9.4.1 Test room
80	9.4.2 Installation
81	9.4.3 Pipe dimensions 9.5 Sound source 9.6 Test specimen 9.7 Measurements
82	9.8 Results 9.9 Information to be reported
84	Annex A (informative) Acoustic insulation constructions that can meet the insulation class requirements
87	Annex B (informative) Equations for the calculation of the minimum required insertion loss DW,min of the insulation classes
88	Annex C (informative) General construction of acoustic insulation
89	Annex D (informative) Examples of typical construction details
101	Bibliography