MINKA-A is fully openable rectangular duct silencer in galvanized steel* with access door and where baffles (splitters) are removable for cleaning or replacement. Attenuation material is felt coated mineral wool.
Connection measurements: 400 x 300 - 3000 x 3000.
Bigger silencers are reinforced by an outer modular frame.
Connection frame possibilities: IT- (LS), EURO-20 (LSM20) or EURO-30 (LSM30).
Silencers can be ordered with additional thermal insulation 50mm (LE50) or more and with fire insulation on request.
Fire classification mineral wool: EN 1182: non-combustible; Fire-reaction: EN 13501: class A2.
Max. operating temperature: 200 °C.
The attenuation material belongs to the highest M1 Emission-classification for building materials in Finland and is part of Classification of Indoor Climate 2000.
Cleaning: by vacuum-cleaner or dry cleaning.
Silencers are in air- tightness class C.
All acoustical measurements and test methods have been done by Oy Lindab Ab own Labo along EN-standard ISO 7235:2003 -"Acoustics-Measurement procedures for ducted silencers"- and by VTT, the Technical Research Centre of Finland.
*Every silencer can be made along special client requirements:
- Stainless Steel (EN1.4301 - EN1.4404) in different thicknesses
- Black steel: S 235
- Welded flanges-NORSOK flanges
- Fire resistant mineral wool
- Special industrial silencers
- Exhaust silencers
- Painted silencers
Please specify seperately!