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BS 7206:1990

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Specification for unvented hot water storage units and packages
Available format(s)

Hardcopy , PDF

Superseded date

06-29-2007

Language(s)

English

Published date

03-30-1990

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

BS 5546:2000 Specification for installation of hot water supplies for domestic purposes, using gas-fired appliances of rated input not exceeding 70 kW
BS 6700:1997 Specification for design, installation, testing and maintenance of services supplying water for domestic use within buildings and their curtilages
BS 6283-2:1991 Safety and control devices for use in hot water systems Specifications for temperature relief valves for pressures from 1 bar to 10 bar
BS 6700(2006) : 2006 DESIGN, INSTALLATION, TESTING AND MAINTENANCE OF SERVICES SUPPLYING WATER FOR DOMESTIC USE WITHIN BUILDINGS AND THEIR CURTILAGES - SPECIFICATION
EN 12828:2012+A1:2014 Heating systems in buildings - Design for water-based heating systems
BS EN 12828 : 2012 HEATING SYSTEMS IN BUILDINGS - DESIGN FOR WATER-BASED HEATING SYSTEMS

BS 6283-1:1982 Safety devices for use in hot water systems Specification for expansion valves for pressures up to and including 10 bar
BS 1566-2:1984 Copper indirect cylinders for domestic purposes Specification for single feed indirect cylinders
BS 6282-1:1982 Devices with moving parts for the prevention of contamination of water by backflow Specification for check valves of nominal size up to and including DN 54
BS 6283-2:1982 Safety devices for use in hot water systems Specification for temperature relief valves for pressures up to and including 10 bar
BS 1344-9:1987 METHODS OF TESTING VITREOUS ENAMEL FINISHES - DETERMINATION OF RESISTANCE TO BOILING WATER AND WATER VAPOUR
BS 2871-1:1971 Specification for copper and copper alloys. Tubes Copper tubes for water, gas and sanitation
BS 6283-4:1982 Safety devices for use in hot water systems Specification for drop-tight pressure reducing valves of nominal size up to and including DN 54 for supply pressures up to and including 12 bar
BS 5258-7:1977 Safety of domestic gas appliances Storage water heaters
BS 3456-102.21:1988 Specification for safety of household and similar electrical appliances. Particular requirements Storage water heaters
BS 6282-3:1982 Devices with moving parts for the prevention of contamination of water by backflow Specification for in-line anti-vacuum valves of nominal size up to and including DN 42
BS 3999-2:1985 Methods of measuring the performance of household electrical appliances Thermal storage electric water-heaters
BS 1566-1:1984 Copper indirect cylinders for domestic purposes Specification for double feed indirect cylinders
BS 4127-2:1972 Specification for light gauge stainless steel tubes. Metric units
BS 6283-3:1982 Safety devices for use in hot water systems Specification for combined temperature and pressure relief valves for pressures up to and including 10 bar
BS 1344-1:1987 Methods of testing vitreous enamel finishes Determination of resistance to thermal shock of coatings on articles other than cooking utensils
BS 6282-2:1982 Devices with moving parts for the prevention of contamination of water by backflow Specification for terminal anti-vacuum valves of nominal size up to and including DN 54

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