DIN EN 521:2006-05

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
National Annex NA (informative) Bibliography
Bibliography

Defines construction and performance characteristics relative to safety and the rational use of energy of portable appliances burning liquefied petroleum gases at the vapour pressure within the gas container. In addition, it specifies test procedures and requirements for marking and information to be given in the instructions.