BS 4508-4:1977
Current
The latest, up-to-date edition.
Thermally insulated underground pipelines Specific testing and inspection requirements for cased systems without air gap
Hardcopy , PDF
English
30-06-1977
Important note : All end users must be registered with an Account prior to user licenses being assigned.
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.
| 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
|
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.
| BS 4508-3:1977 | Thermally insulated underground pipelines General requirements for cased systems without air gap |
| BS 6880-1:1988 | Code of practice for low temperature hot water heating systems of output greater than 45 kW Fundamental and design considerations |
| BS 5241-2:1991 | Rigid polyurethane (PUR) and polyisocyanurate (PIR) foam when dispensed or sprayed on a construction site Specification for dispensed foam for thermal insulation or buoyancy applications |
| BS 692:1976 | Specification for meteorological thermometers |
| BS 4508-3:1977 | Thermally insulated underground pipelines General requirements for cased systems without air gap |
| BS 2972:1975 | Methods of test for inorganic thermal insulating materials |
| ISO 846:1997 | Plastics Evaluation of the action of microorganisms |
| BS 4370-1:1968 | Methods of test for rigid cellular materials Methods 1-5 |
| 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 |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.