Rectangular egg crate grille

GRL is a rectangular grille with a very large free area. This gives low pressure drop which makes GRL suitable for high air volumes. In order to regulate or measure the airflow, GRL must be used with the commissioning box TRG.

  • For extract- or transfer air
  • 91% free area
  • Handles large airflows
  • Available in special version for hospitals
  • Cleanable
  • Installed using mounting frame FHA/FHB or commissioning box TRG
  • Standard colour White RAL 9003
    • 5 alternative standard colours
    • Other colours upon request
 

GRL
GRL
Product view
 
GRL
GRL
Installation example


AIR FLOW - SOUND PRESSURE ROOM (Lp10A) *)

GRL

 

l/s

 

Size

25 dB(A)

30 dB(A)

35 dB(A)

200-100

25

40

55

300-100

40

70

100

400-100

47

80

130

500-100

70

105

150

300-150

80

120

160

400-150

115

150

190

500-150

100

165

230

400-200

115

195

270

500-200

125

265

350

600-200

145

280

375

600-300

215

400

510

The table shows data for exhaust air, GRL in combination with TRG and a pressure drop of 50 Pa.

*) Lp10A = Sound pressure incl. A-filter with 4 dB room attenuation and 10 m2
room absorption area.
*) Lp10A = Sound pressure incl. A-filter with 4 dB room attenuation and 10 m2room absorption area.

Downloads


4 Hits   Page < 1 >

   

 



Article Name Type Size Date Add to bucket
Page < 1 >
GRLc  Building product declaration Declarations 103.03kB 9/1/2011 Add to bucket
GRLc  Building product declaration Declarations 80.20kB 5/2/2017 Add to bucket
GRLc  Installation, commissioning and maintenance Instructions/Manuals 1012.55kB 3/31/2016 Add to bucket
GRLc  Rectangular egg crate grille Catalogue/Product sheets 1.55MB 10/10/2018 Add to bucket