Flue gas

Elastomeric Seals and Sealants

EN 14242 part 1: Seals in flue liners

Flue systems produced with elastomeric seals are subject to the BS EN 14241.1 normative.

A full range of tests, testing procedures and standardized manufacturing processes are in place. This results in the safe use of Chimney systems worldwide, in order to prevent leakage possibly causing damage and pollution.

Considerations

Temperature Class
Condensate Resistance Class
Corrosion Resistance Class
Construction Class
Location
Stress relaxation <50%
Compression Set <25%
Tensile Strength > 5 Mpa
Elongation at Break >150%
Joints
in acc. LTR TL and LTR CE and ISO 37

Compliance

Init. Type testing acc. to EN ISO IEC 17025
Further Type testing if new product

Testing

Main objective to meet prescribed material properties

Thermal Load
Condensate Exposure

Additional Testing, if required

Low Temperature resistance
Ozone resistance

NDS1803rev00 Elastomeric Seals