BS 853(1990) : 1990 AMD 8979

Name: BS 853(1990) : 1990 AMD 8979
Brand: BSI

Superseded

SPECIFICATION FOR VESSELS FOR USE IN HEATING SYSTEMS - CALORIFIERS AND STORAGE VESSELS FOR CENTRAL HEATING AND HOT WATER SUPPLY

Superseded date

15-03-1996

Published date

23-11-2012

Publisher

British Standards Institution

Committees responsible
Foreword
Specification
1. Scope
2. Definitions
3. Classification
4. Design pressure and design temperature
5. Materials
6. Welding procedure and welder approval tests
7. Determination of scantlings design
8. Construction
9. Heating batteries
10. Mountings
11. Inspection, testing, marking and manufacturer's
     certificate
Appendices
A. Information supplied by the purchaser
B. Guidance for plant layout and installation
Tables
1. Design stresses for materials of construction of
     calorifiers and storage vessels
2. Filler and brazing materials, forgings and hot
     pressing stock, bolt and nut materials
3. Minimum length of thread
4. Maximum permissible stress for bolts and studs
5. Minimum requirements for inspection openings
6. Sizes of vent pipes
Figures
1. Typical longitudinal and circumferential weld pre-
     parations for carbon steel calorifiers and storage
     vessels
2. Typical longitudinal and circumferential weld pre-
     parations for copper calorifiers and storage
     vessels
3. Domed end
4. Values for K
5. Shape factors for domed ends
6. Typical examples of flange backing rings
7. Compensation for openings in steel shells
8. Compensation for opening in cylindrical copper
     shells (shell flanged)
9. Compensation for opening in cylindrical copper
     shells (neckpiece and shell flanged)
10. Welds for unflanged flat endplates
11. Welding of carbon steel flanges and branches
12. Welding of carbon steel pads
13. Overlap of plates in lapped circumferential seams
     for copper and carbon steel
14. Fillet welds
15. Brazing of copper flanged connection up to 100 mm
     diameter
16. Brazing of copper lifting eye
17. Brazing of copper screwed connection
18. Typical tube attachment to tubeplates
19. Circular cast iron spherically shaped chest
20. Circular cast iron spherically shaped chest

Describes strength and construction of calorifiers and storage vessels for central heating and hot water supply. Covers safety devices and pressure testing with units made from copper or carbon steel, heated by steam, water, heat transfer fluid or electricity. Does not cover calorifiers with steam on the outside of the tube battery. BS AMD 8979 RENUMBERS THIS STANDARD TO BS 853: PART 1 1996

Committee	RHE/12
DevelopmentNote	Renumbered and superseded by BS 853-1(1996) (07/2004) Supersedes BS 853(1981) and 87/71550 DC (10/2005)
DocumentType	Standard
PublisherName	British Standards Institution
Status	Superseded
Supersedes	BS 853:1981

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