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MFA

Universal grille for mounting in floors, walls and window sill

MFA, UFA and UFK sills fixed aluminium blades which are streamlined to give a stable flow pattern. The grille is mechanically very strong and can consequently handle large external loads. The universal grille can be put together on site to unlimited lengths.

  • Can be used for both supply and extract air
  • Extremely versatile as it can be tailor made for all needs
  • It is possible to construct unlimited lengths of grille
  • The grille is manufactured in anodised aluminium
  • Standard colour Anodised/electroplated aluminium
    • 6 alternative standard colours (powder coating)
    • Other colours upon request

Technical specifications

AIR FLOW - SOUND PRESSURE ROOM (Lp10A) *)

 MFA    l/s
Size Length 15 dB(A) 20 dB(A) 25 dB(A)
5-5 * 1000 75 87 105
5-8 * 1000 110 130 155
5-10 * 1000 130 155 180
10-5 1000 110 140 175
10-8 1000 155 185 240
10-10 1000 170 215 265
14-5 1000 175 200 235
14-8 1000 245 275 330
14-10 1000 280 310 370

*) Lp10A = Sound pressure incl. A-filter with 4 dB room attenuation and 10 m2 room absorption area. 

* Slot spacing 5 mm only applies for MFA and UFA.

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Overview - Air diffusers Air diffusers Brochure 3.52MB pdf
Installation, maintenance, commissioning MFAb Instruction 135.05kB pdf
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Universal grille for mounting in floors, walls and window sill MFAb ProductSheet 345.28kB pdf