BS 7206:1990
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Specification for unvented hot water storage units and packages
Hardcopy , PDF
English
30-03-1990
29-06-2007
Foreword
Committees responsible
Specification
Section one. General
1 Scope
2 Definitions
3 Classification
Section two. Materials, design and marking
4 Effect of non-metallic materials on water quality
5 Water connections
6 Hot water draw-off
7 Drain tap
8 Direct heating by electricity
9 Direct heating by gas
10 Indirect heating
11 Safety devices
12 Controls
13 Thermal insulation
14 Marking
15 Instruction manual
Section three. Performance
16 Performance requirements to be verified by
production tests
17 Performance requirements to be verified by type
tests
Section four. Construction
18 Construction of copper storage cylinders
19 Construction of vitreous enamel lined steel storage
cylinders
20 Construction of polyethylene lined steel storage
cylinders
21 Construction of cementitious lined steel storage
cylinders
Appendices
A Method of determination of draw-off of unit/package
B Method of determination of heating capacity of
primary heaters
C Method of measurement of hot water output of direct
gas-fired storage water heaters
D Method of determination of suitability of materials
for long-term hot water storage
E Method of determination of performance of controls
and safety devices
F Method of determination of continuity of
polyethylene lining
G Vacuum test on polyethylene lining
H Method of measurement of thickness of cementitious
lining
Tables
1 Minimum length of thread
2 Minimum tail length
3 Pressure valve settings and working pressures
4 Nominal thickness of body sheet and minimum
thickness after forming of ends
5 Adjusted draw-off rate
Figures
1 Typical units and packages
2 Copper primary heaters
3 Apparatus for determining draw-off rate and heat
capacity
Requirements for units and packages heated directly by gas or electricity, or indirectly heated. The cylinders have a capacity between 15 and 500 L, having a minimum opening pressure of 1.0 bar and a minimum working pressure of either 3 or 6 bar, fitted with safety devices to prevent water temperature from exceeding 100°C.
| Committee |
B/504
|
| DevelopmentNote |
Supersedes 86/14950 DC and 92/16509 DC. (05/2005)
|
| DocumentType |
Standard
|
| Pages |
36
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
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