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BS 5422:2001:2002 Edition

BS 5422:2001:2002 Edition

$198.66

Method for specifying thermal insulating materials for pipes, tanks, vessels, ductwork and equipment operating within the temperature range -40°C to +700°C

Published By Publication Date Number of Pages
BSI 2002 60
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PDF Catalog

PDF Pages PDF Title
1 BRITISH STANDARD
2 Committees responsible for this British�Standard
3 Contents
7 Introduction
1 Scope
2 Normative references
8 3 Definitions
assumed lifetime
chilled water
cold water
economic thickness
environmental thickness
evaluation period
finishing materials
insulation thickness
pre-applied
termination point
9 vapour barrier
4 Application of this standard
10 Flow chart indicating application of the standard
11 5 General requirements
5.1 Physical characteristics
5.2 Installation requirements
5.3 Thermal conductivity
12 5.4 Temperature limitations
5.5 Thickness
5.6 Fire performance
13 5.7 Vapour barrier — Permeance requirements
14 Maximum permitted water vapour permeance in relation to plant temperature at an ambient temperatu…
5.8 Tests on physical properties
6 Refrigeration applications
6.1 Information to be supplied by the specifier
6.2 Physical characteristics
15 6.3 Insulation thickness
16 Minimum insulation thickness for refrigeration applications to prevent condensation on a high emi…
17 Minimum insulation thickness for refrigeration applications to prevent condensation on a low emis…
18 Minimum insulation thickness for refrigeration applications to prevent condensation on a high emi…
19 Minimum insulation thickness for refrigeration applications to prevent condensation on a low emis…
20 Environmental insulation thickness for refrigeration applications to�control heat gain
21 Environmental insulation thickness for refrigeration applications to control heat gain
22 7 Chilled and cold water applications
7.1 Information to be supplied by the specifier
7.2 Physical characteristics
7.3 Insulation thickness
23 Minimum insulation thickness for chilled and cold water supplies to�prevent condensation on a hig…
Minimum insulation thickness for chilled and cold water supplies to�prevent condensation on a low…
24 Environmental insulation thickness for chilled water supplies to control heat gain
8 Central heating, air conditioning and direct hot water supply installations�in non�domestic app…
8.1 Information to be supplied by the specifier
8.2 Physical characteristics
25 8.3 Insulation thickness
26 Minimum insulation thickness for condensation control on ductwork�carrying chilled air in ambient…
27 Environmental insulation thickness on ductwork carrying warm�air
Graph to determine environmental heat gain for intermediate temperatures
28 Environmental insulation thickness for non-domestic heating installations to control heat loss
29 Environmental insulation thickness for non-domestic hot water service areas to control heat loss
9 Central heating and hot and cold water services for domestic applications
9.1 Information to be supplied by the specifier
9.2 Physical characteristics
30 9.3 Thickness
Environmental insulation thickness for domestic central heating installations and hot water syste…
10 Process pipework and equipment applications
10.1 Information to be supplied by the specifier
31 10.2 Physical characteristics
10.3 Insulation thickness
32 Environmental insulation thickness for process pipework and equipment to control heat loss
33 Environmental insulation thickness for process pipework and equipment to control heat loss
34 Insulation thickness for personnel protection from a non-metallic surface with a surface emissivi…
35 Insulation thickness for personnel protection from a non-metallic surface with a surface emissivi…
36 Insulation thickness for personnel protection from a metallic surface�with a surface emissivity o…
37 Insulation thickness for personnel protection from a metallic surface with a surface emissivity o…
38 Insulation thickness for personnel protection from a non-metallic surface with a surface emissivi…
39 Insulation thickness for personnel protection from a non-metallic surface with a surface emissivi…
40 Heat loss from bare surfaces calculated in accordance with BS�EN�ISO�12241 (black steel pipes)
41 Heat loss from bare surfaces calculated in accordance with BS�EN�ISO�12241 (copper pipes — commer…
42 Heat loss from bare surfaces calculated in accordance with BS�EN�ISO�12241 (copper pipes — oxidized)
11 Protection against freezing
11.1 Information to be supplied by the specifier
11.2 Insulation thickness
43 Minimum insulation thickness to protect steel pipes against freezing�under selected industrial pr…
44 Minimum insulation thickness required to give protection against�freezing under specified commerc…
45 Minimum insulation thickness to protect against freezing for domestic cold water systems�(12�h)
46 Minimum insulation thickness to protect against freezing for domestic cold water systems�(8�h)
47 (informative) Determination of environmental thickness
(informative) Determination of environmental thickness
Heat loss related to pipe diameter for non-domestic heating pipe�at�75�°C insulated in accordance…
48 Environmental thickness methodologies
49 (informative) Default values for use in BS�EN�ISO�12241 heat transfer�calculations
(informative) Default values for use in BS�EN�ISO�12241 heat transfer�calculations
General
Surface emissivity (()
50 Default data
Default data for use in BS�EN�ISO�12241 calculations
51 (informative) Summary of criteria used to establish the tables
(informative) Summary of criteria used to establish the tables
Summary of criteria used to establish the tables
52 (informative) Outside diameters of steel and copper pipes
(informative) Outside diameters of steel and copper pipes
Outside diameter of steel pipe
Outside diameter of copper pipe
53 (informative) Explanation of “Class 0” rating and “limited combustibility”
(informative) Explanation of “Class 0” rating and “limited combustibility”
Class�0
Limited combustibility
Euro-classes
54 (normative) Method for assessing the system load for refrigeration pipe�work
(normative) Method for assessing the system load for refrigeration pipe�work
Determination of total system heat gain
Determining the Coefficient of Performance (CoP) for the system
Assessing the distribution pipe-work load
55 Example of Mollier diagram for R-22
56 (normative) Calculation of economic insulation thickness
(normative) Calculation of economic insulation thickness
Principle
Economic thickness
57 Method of calculating economic thickness

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BS 5422:2001
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