BS 853-2:1996
Current
The latest, up-to-date edition.
Hardcopy , PDF
English
15-03-1996
Committees responsible
Foreword
1 Scope
2 References
3 Definitions
4 Information and requirements to be agreed and to
be documented
5 Materials
6 Welding procedure and welder approval tests
7 Design pressure and design temperature
8 Scantling design
9 Tubes
10 Construction
11 Pressure relief devices
12 Inspection and testing
13 Marking
14 Test certificates
Annexes
A (informative) Typical heat exchanger data sheet
B (informative) Typical fouling resistance values
C (informative) Typical flange design procedure:
work sheet
Tables
1 Materials for the construction of heat exchangers
(with design stress values f)
2 Bolting materials
3 Filler and brazing materials
4 Forgings and hot pressing stock
5 Number of test specimens required for procedure
approval for copper
6 Number of test specimens required for welder
approval for copper
7 Effective gasket width
8 Gasket materials and contact facings: gasket
factor (s) for operating conditions and minimum
design seating stress (y)
Reliability factor (Fr) for joint types
10 Preferred tube sizes and thicknesses for branch
pipes
11 Minimum length of thread
12 Preferred tube diameter and nominal thicknesses for
heat exchange tubes
13 Maximum unsupported length of straight tubes
14 Minimum transverse baffle or support plate
thickness
15 Minimum number and diameter of tie rods
Figures
1 Welder's history sheet
2 Double full fillet lap joint
3 Single full fillet lap joint with plug weld
4 Typical blind flange with gasket within the bolt
circle reference
5 Welds for unflanged endplates
6 Location of gasket load reaction
7 Values of Y
8 Maximum external pressure of tubes for different
ratios of tc/d
9 Typical weld construction of tube to tubeplate
10 Typical section through tubeplate showing
arrangement of grooved tube holes
11 Impingement baffles
List of references
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