Components within classification
Cleanliness Classification of Air-handling Components is based on general and component-group-specific requirements. The general requirements for a classified component are:
- a classified component shall not increase the concentration of contaminants that are detrimental to health or comfort in the air handling system or supply air
- a classified component shall not produce odours, or gaseous or particulate contaminants that decrease the quality of supply air
- a classified component shall be easy to clean
At the moment following product groups are within the classification:
- ducts and fittings
- air and fire dampers
- terminal devices
- silencers
- air filters
M1 labeled air-handling component shall fulfill both general and product-group-specific requirements.
Please see the product-group-specific requirements in pdf-form on our Materials-page.