BS 3198:1981
Current
The latest, up-to-date edition.
Specification for copper hot water storage combination units for domestic purposes
Hardcopy , PDF
English
31-12-1981
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Foreword
Cooperating organizations
Specification
1. Scope
2. References
3. Definitions
4. Designation of copper combination units for
ordering purposes
5. Materials
6. Primary heaters
7. Manufacture
8. Hand holes
9. Screwed bosses for draining taps
10. Screwed connections for pipes
11. Fixing provision for immersion heaters
12. Fixing provision for a gas circulator
13. Performance requirements
14. Marking
Appendices
A. Pressure tests
B. Performance tests for direct combination units
C. Performance tests for double feed indirect
combination units
D. Performance tests for single feed indirect
combination units
E. Heat loss test
F. Information to be supplied by the purchaser with
an enquiry or order
Tables
1. Minimum nominal thickness of copper sheet before
forming
2. Minimum area of heating surface of primary heater
Figures
1. Layout of testing apparatus for direct and double
feed indirect combination units
2. Layout of testing apparatus for single feed
indirect combination units
3. Apparatus for heat loss test
Requirements for direct, double feed indirect and single feed indirect types of units having hot water storage capacities of between 65 litres and 180 litres.
| Committee |
B/504
|
| DevelopmentNote |
Supersedes 79/12583 DC and 89/10745 DC (07/2005) Reviewed and confirmed by BSI, October 2012. (09/2012)
|
| DocumentType |
Standard
|
| Pages |
22
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
This British Standard specifies requirements for direct, double feed indirect and single feed indirect types of combination hot water storage units having hot water storage capacities in a series of ranges between 65 litres and 210 litres, in which, when water is drawn off from the hot water storage vessel, there is automatically:
- replacement of water withdrawn by that from a cold water feed cistern incorporated in the unit and adjacent to the hot water vessel; and
- controlled replacement of the water in the cold water feed cistern from the water supply by means of a float operated valve.
NOTE The preferred hot water storage capacities are 85, 115, 130, 140, 150, 180 and 210 litres.
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| I.S. 327-3:1987 | DOMESTIC INSTALLATIONS USING LIQUEFIED PETROLEUM GASES |
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| BS 8000-15:1990 | Workmanship on building sites Code of practice for hot and cold water services (domestic scale) |
| I.S. 327-1:1987 | DOMESTIC INSTALLATIONS USING LIQUEFIED PETROLEUM GASES |
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| I.C.P. 3:1989 | DOMESTIC INSTALLATIONS FOR MANUFACTURED AND NATURAL GAS |
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| EN 12828:2012+A1:2014 | Heating systems in buildings - Design for water-based heating systems |
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| BS EN 12828 : 2012 | HEATING SYSTEMS IN BUILDINGS - DESIGN FOR WATER-BASED HEATING SYSTEMS |
| BS 476-4:1970 | Fire tests on building materials and structures Non-combustibility test for materials |
| BS 1566-2:1984 | Copper indirect cylinders for domestic purposes Specification for single feed indirect cylinders |
| BS 3456-2.1(1972) : 1972 | SPECIFICATION FOR SAFETY OF HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES - PARTICULAR REQUIREMENTS - COOKING RANGES, COOKING TABLES AND SIMILAR APPLIANCES |
| BS 2456:1973 | Specification for floats (plastics) for ballvalves for hot and cold water |
| BS 417-1:1964 | Specification for galvanized low carbon steel cisterns, cistern lids, tanks and cylinders Imperial units |
| BS 2871-1:1971 | Specification for copper and copper alloys. Tubes Copper tubes for water, gas and sanitation |
| BS 699:1984 | Specification for copper direct cylinders for domestic purposes |
| BS 1968:1953 | Specification for floats for ballvalves (copper) |
| BS 417-2:1973 | Metric unitsSpecification for galvanized low carbon steel cisterns, cistern lids, tanks and cylinders |
| BS 1212-1:1953 | Specification for ballvalves (excluding floats) Piston type |
| BS 2777:1974 | Specification for asbestos-cement cisterns |
| BS 1565-2:1973 | Specification for galvanized mild steel indirect cylinders, annular or saddle-back type Metric units |
| BS 1453:1972 | Specification for filler materials for gas welding |
| BS 1565-1:1949 | Specification for galvanized mild steel indirect cylinders, annular or saddle-back type Imperial units |
| BS 1566-1:1984 | Copper indirect cylinders for domestic purposes Specification for double feed indirect cylinders |
| BS 4213:1975 | Specification for cold water storage cisterns (polyolefin or olefin copolymer) and cistern covers |
| BS 1845(1977) : LATEST | FILLER METALS FOR BRAZING |
| BS 4735:1974 | Laboratory method of test for assessment of the horizontal burning characteristics of specimens no larger than 150 mm x 50 mm x 13 mm (nominal) of cellular plastics and cellular rubber materials when subjected to a small flame |
| BS 3955-2(1965) : LATEST | |
| BS 1212-2:1970 | Specification for ballvalves (excluding floats) Diaphragm type (brass body) |
| BS 4781-1:1973 | Specification for self-adhesive plastics labels for permanent use General purpose labels |
| BS 864-2:1971 | Capillary and compression tube fittings of copper and copper alloy. Metric units |
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