BS 3274:1960
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Hardcopy , PDF
09-25-2012
English
09-28-1960
Cooperating organizations
Foreword
Introduction
Specification
Section one. General
1. Scope
2. Nomenclature
3. Definitions
4. Pressure classifications
Section two. Materials and stresses
5. Carbon and low alloy steels and cast iron
6. Non-ferrous metals and stainless steels
7. Other materials
8. Stress values for non-ferrous metals not in the
annealed condition
9. Materials to comply with British Standards
10. Test certificates for materials
11. Materials for use at low temperatures
12. Gaskets
13. Gland packing
Section three. Construction
14. Design
15. Fabrication
16. Corrosion allowance
17. Type limitations
18. Tolerances
19. Shells and shell covers
20. Tubes
21. Tube plates
22. Baffles and support plates
23. Floating heads
24. Gaskets
25. Channels and channel covers
26. Branches and connections
27. Shell flanges
28. Bolting
Section four. Inspection, marking, testing and
preparation for despatch
29. Inspection
30. Marking
31. Hydraulic testing
32. Preparation for despatch
Tables
1. Minimum shell thickness
2. Standard tube diameters and minimum nominal
thicknesses
3. Minimum tube-plate thickness
4. Tube hole tolerances
5. Special tube and hole clearance
6. Baffle dimensions
7. Baffle and support plate thickness
8. Tie rods
9. Test pressures
10. Testing procedure for basic types of exchanger
11. Design stresses; copper and copper alloys
12. Design stresses; aluminium and aluminium alloys
13. Design stresses; nickel and nickel alloys
14. Design stresses; stainless steels
15. Dimensions:
Notes relating to Tables 15A to 15L
15A. Ring flanges, Class 75, gaskets - full faced
insertion rubber
15B. Ring flanges, Class 75, gaskets - compressed
asbestos
15C. Ring flanges, Class 150, gaskets - compressed
asbestos
15D. Ring flanges, Class 300, gaskets - compressed
asbestos or metal-jacketed asbestos
15E. Ring flanges, Class 450, gaskets - metal-
jacketed asbestos
15F. Ring flanges, Class 600, gaskets - metal-
jacketed asbestos
15G. Welding-neck flanges, Class 75, gaskets -
metal-jacketed asbestos
15H. Welding-neck flanges, Class 150, gaskets -
metal-jacketed asbestos
15J. Welding-neck flanges, Class 300, gaskets -
metal-jacketed asbestos
15K. Welding-neck flanges, Class 450, gaskets -
metal-jacketed asbestos
15L. Welding-neck flanges, Class 600, gaskets -
metal-jacketed asbestos
Appendices
A. Heat exchanger data sheet
B. Manufacturers' report and test certificate for
tubular heat exchangers
C. Conversion factors from British to metric units
Figures
1. Type 1. Fixed tube plate
2. Type 2. U-tubes
3. Type 2. U-tube (re-boiler or evaporator)
4. Type 3. (i) Internal floating head with clamp
ring
5. Type 3. (ii) Internal floating head without clamp
ring
6. Type 3. (ii) Internal floating head without clamp
ring (re-boiler type)
7. Type 3. (iii) Floating head, external packed
8. Type 3. (iv) Floating head, internal packed
9. External tolerances
10. Finished tolerances on tube-plates, covers
and flanges
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.