NS EN 1856-2 : 2009

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Manufacturer's declaration for type test
5 Dimensions and tolerances
6 Performance requirements
   6.1 Mechanical resistance and stability
   6.2 Resistance to fire
   6.3 Gas tightness
   6.4 Safety in use
   6.5 Durability
7 Product information
   7.1 Manufacturer's instructions
   7.2 Minimum information to be included in the manufacturer's
       documentation and instructions
8 Marking and labelling
   8.1 Liners, rigid connecting flue pipes and fittings
   8.2 Chimney plate
   8.3 Packaging
9 Product designation
10 Evaluation of conformity
   10.1 General
   10.2 General
   10.3 Type testing
   10.4 Factory production control (FPC)
Annex A (normative) Test methods for flexible liners
  A.1 Measure of diameter of flexible liner
  A.2 Gas tightness
  A.3 Tensile strength
  A.4 Crushing resistance
  A.5 Flexibility test
  A.6 Torsion strength test
  A.7 Thermal performance test
Annex B (normative) Choice of size for type test and
                    sampling of metal liners, connecting
                    flue pipes and fittings
  B.1 General
  B.2 Thermal testing
  B.3 Mechanical tests
  B.4 Gas tightness
  B.5 Samples
  B.6 Factory production control
  B.7 Nature of changes requiring further type test
Annex ZA (informative) Clauses of this European Standard
                       addressing the provisions of the EU
                       Construction Products Directives
Bibliography

Describes the performance requirements for rigid or flexible metal liners, rigid connecting flue pipes and rigid fittings used to convey the products of combustion from appliances to the outside atmosphere (including their supports).