I.S. EN 521:2006
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Hardcopy , PDF
10-31-2019
English
04-21-2006
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
4.1 Classification of gases:
4.2 Classification of appliances:
5 Safety requirements
5.1 General
5.2 Conversion to different gases
5.3 Materials
5.4 Assembly, cleaning and maintenance
5.5 Strength and stability
5.6 Soundness of the gas circuit assembly
5.7 Connections
5.8 Transport, fixing and mobility devices
5.9 Taps
5.10 Control handles
5.11 Injectors
5.12 Ignition devices
5.13 Flame supervision devices
5.14 Burners and radiant elements
5.15 Grids
5.16 Turnspit
5.17 Fireguards for heating appliances
5.18 Locations and compartments for refillable gas
containers
5.19 Verification of the heat inputs
5.20 Resistance to overheating
5.21 Temperature of various parts of the appliance
5.22 Temperature of panels (floors, walls or ceilings)
5.23 Ignition, crosslighting and flame stability
5.24 Resistance to draught
5.25 Resistance to liquid spillage
5.26 Combustion
5.27 Accumulation of un-burnt gas
5.28 Safety at high temperature
5.29 Sooting - Condensation
5.30 Rational use of energy
6 Test methods
6.1 General
6.2 Conversion to different gases
6.3 Materials
6.4 Assembly, cleaning and maintenance
6.5 Strength and stability
6.6 Soundness of the gas circuit assembly
6.7 Connections
6.8 Transport, fixing and mobility devices
6.9 Taps
6.10 Control handles
6.11 Injectors
6.12 Ignition devices
6.13 Flame supervision devices
6.14 Burners and radiant elements
6.15 Grids
6.16 Turnspit
6.17 Fireguards for heating appliances
6.18 Locations and compartments for refillable
gas containers
6.19 Verification of heat inputs
6.20 Resistance to overheating
6.21 Temperatures of the various parts of the
appliance
6.22 Temperature of panels (floor, wall or ceiling)
6.23 Ignition, crosslighting and flame stability
6.24 Resistance to draught
6.25 Resistance to liquid spillage
6.26 Combustion
6.27 Accumulation of un-burnt gases
6.28 Safety at high temperature
6.29 Sooting - condensation
6.30 Rational use of energy
7 Marking
7.1 Appliance marking
7.2 Packaging marking
8 Instructions for use, maintenance and assembly
Annex A (normative) Characteristics of test vessels
Annex B (normative) Tests on needle valves
B.1 Resistance to temperature
B.2 Endurance
Annex C (informative) Examples of authorized solutions
Annex ZA (informative) Clauses of this European Standard
addressing essential requirements
or other provisions of EU Directive
Bibliography
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