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BSI 22/30450624 DC 2022

BSI 22/30450624 DC 2022

$13.70

BS ISO 15665. Acoustics. Acoustic insulation for pipes, valves and flanges

Published By Publication Date Number of Pages
BSI 2022 51
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PDF Catalog

PDF Pages PDF Title
7 Foreword
9 1 Scope
2 Normative references
3 Terms and definitions
11 4 Classes€of acoustic insulation
15 5 Guide to the reduction of noise from pipes
5.1 Required insertion loss: design phase steps
5.1.1 Determination of sound pressure levels
16 5.1.2 Evaluation of sound pressure levels against limits
5.1.3 Determination of sound power levels
17 5.1.4 Contribution to noise in reverberant spaces or environmental noise
5.2 Required insertion loss: Operating plants
18 5.3 Length of acoustic insulation
19 5.4 Implications for piping design
20 5.5 Derivation of overall noise reduction
22 5.6 Typical noise reduction values
6 Construction of typical acoustic insulation systems
6.1 General
23 6.2 Cladding
6.2.1 General
6.2.2 Materials for the outer layer
24 6.2.3 Materials for an additional layer
6.2.4 Vibro-acoustic seals
6.3 Porous layer
25 6.4 Support of the cladding
26 6.5 Vibration isolation material at pipe supports
7 Installation
7.1 General
7.2 Extent of insulation
7.3 End caps
27 7.4 Acoustic enclosures and jackets
7.5 Prevention of mechanical damage
8 Combined thermal and acoustic insulation
8.1 General
8.2 Hot services
28 8.3 Cold services
9 Testing of acoustic insulation systems
9.1 General
9.2 Measurement method: Reverberation room
29 9.3 Test facility
9.3.1 Test room
9.3.2 Installation
30 9.3.3 Pipe dimensions
31 9.4 Sound source
9.5 Test specimen
9.6 Measurements
32 9.7 Results
9.8 Information to be reported
34 Annex€A (informative) Acoustic insulation constructions that can meet the insulation class requirements
37 Annex€B (informative) Equations for the calculation of the minimum required insertion loss DW,min of the insulation classes
38 Annex€C (informative) General construction of acoustic insulation
39 Annex€D (informative) Examples of typical construction details
51 Bibliography

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BSI 22/30450624 DC 2022
$13.70