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BS 4508-4:1977

Current
Current

The latest, up-to-date edition.

Thermally insulated underground pipelines Specific testing and inspection requirements for cased systems without air gap
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

06-30-1977

Publisher

British Standards Institution

Foreword
Cooperating organizations
Specification
1 Scope
2 References
3 Definitions
4 General
5 Type tests and inspections
6 Production inspections and tests
7 Test failure interpretation
8 System approvals
Appendix
A Soil conductivity data
Figures
1 Joint testing apparatus to simulate actual operating
   conditions
2 Physical variations during a four-hour test cycle
3 Test rig for the determination of system pressure-
   tightness

Testing, inspection and certification of pipe-in-pipe distribution systems with an insulated service or product pipe enclosed in a pressure-tight casing.

This Part of BS 4508 specifies specific requirements for the testing, inspection and certification of pipe-in-pipe systems with an insulated service or product pipe enclosed in a pressure-tight casing; general requirements are specified in Part 3.

Data on soil conductivity are given in Appendix A.

Committee
B/540
DevelopmentNote
Supersedes 75/70904 DC (08/2005) Reviewed and confirmed by BSI, November 2012. (10/2012)
DocumentType
Standard
Pages
16
PublisherName
British Standards Institution
Status
Current

BS 4508-3:1977 Thermally insulated underground pipelines General requirements for cased systems without air gap
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BS 4508-3:1977 Thermally insulated underground pipelines General requirements for cased systems without air gap
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BS 4660:1973 Specification for unplasticized PVC underground drain pipe and fittings
BS 4370-2:1973 Methods of test for rigid cellular materials Methods 6-10
BS 4370-4:1991 Methods of test for rigid cellular materials Method 14. Determination of flexural properties
BS 874:1973 Methods for determining thermal insulating properties with definitions of thermal insulating terms
BS 4370-3:1974 Methods of test for rigid cellular materials Methods 11 to 13

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Hardcopy - English
PDF - English
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