BS 4834:1990
Current
The latest, up-to-date edition.
Specification for inset open fires without convection with or without boilers, burning solid mineral fuels
Hardcopy , PDF
English
08-31-1990
Committees responsible
Foreword
Specification
Section 1. General
1.1 Scope
1.2 Definitions
1.3 Preliminary remarks
Section 2. Construction
2.1 General
2.2 Minimum dimensions for category (b) appliances
2.3 Firefront
2.4 Bottomgrate
2.5 Air control
2.6 Ashpan
2.7 Ashpit and ashpit cover
2.8 Front firebars and fallplate
2.9 Deepening bar
2.10 Deepening plate
2.11 Gas ignition burner
2.12 Boiler
2.13 Boiler flue
2.14 Tools
Section 3. Electrical requirements
3.1 General
Section 4. Performance requirements
4.1 Thermal performance requirements
4.2 Banking performance requirements
4.3 Condition of appliance after test
Section 5. Instructions and marking
5.1 Instruction
5.2 Marking
Appendices
A. Test methods and conditions
B. Test fuels
Tables
1. Materials for construction of appliance components
2. Minimum dimensional requirements for category (b)
appliances
3. Minimum ashpan capacity
4. Relationship between gas ports and air ports
5. Performance requirements for category (a) appliances
burning test fuel A or B
6. Performance requirements for category (b) appliances
burning test fuel A or B
7. Performance requirements for category (b) appliances
burning test fuel C and designated as suitable for
burning bituminous coal at enhanced efficiency
8. Target burning rates
9. Nominal calorific values for test fuels
Figures
1. Typical inset open fire
2. Boiler flue mouth entry
3. Example of a suitable aeration device for a natural
gas burner
4. Gas connection elbows
5. Test setting
6. Hood for test chimney
7. Typical gather for 400 mm open fire with back boiler
8. Typical constant water flow apparatus
9. Datum level for various types of open fire
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