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Metal Chimneys

 
Normative references
 
  • UNI EN 1856-1:2009 - Requirements for metal chimneys - Part 1: System chimney products
  • UNI EN 1856-2:2009 - Requirements for metal chimneys - Part 2: Metal flue liners and connecting flue pipes
 
The system of assessment and verification of constancy of performance (AVCP) used for UNI EN 1856-1 is either System 2+ or System 4 depending on whether we are dealing with system chimney products or terminals.
 
 
Tests

The product characterisation tests to be mentioned on the label include:
 
  • thermal performance
  • mechanical performance
  • flue gas tightness performance
  • sootfire resistance
  • durability performance

     
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