MINKA is a rectangular duct silencer in galvanized steel* with baffles (splitters) filled with felt coated Mineral wool attenuation material.
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 baffles protected by perforated plate; additional thermal insulation 50mm (LE50) or more and with fire insulation on request.
Silencers with TO empty section are available with inspection hatch (door). Fully cleanable and openable silencers you find in the product range: MINKA-A.
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!