Circular egg crate grille for transfer/extract air and wall/ceiling mounting

  • For exhaust air
  • 91% free area
  • Handles large airflows
  • Cleanable
  • Can be used with commissioning box ALS
  • Standard colour White RAL 9003
    • 5 alternative standard colours
    • Other colours upon request
 

GRC
GRC
Product view
 
GRC
GRC
Installation example

ALS
ALS
Commissioning box

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AIR FLOW - SOUND PRESSURE ROOM (Lp10A) *)

GRC

 

l/s

 

Size

25 dB(A)

30 dB(A)

35 dB(A)

100

25

29

34

125

38

45

53

160

60

68

80

200

95

110

135

250

140

165

190

315

200

245

280

400

325

380

450

500

460

560

680

630

750

895

1100

GRC

ALS

 

l/s

 

Size

Size

25 dB(A)

30 dB(A)

35 dB(A)

100

80-100

11

18

24

125

100-125

14

25

32

160

125-160

23

34

51

200

160-200

30*

42

67

250

200-250

50*

63

120

315

250-315

80**

120

180

400

315-400

145*

195

301

500

400-500

270*

318

495

630

500-630

 Size 630 does not have any commissioning box  

Table shows data for extract air, GRC in combination with ALS 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.

* GRC + ALS at 410 Pa.

** GRC + ALS at 30 Pa.

Downloads

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Article Name Type Size Date Add to bucket
Page < 1 >
GRCa  Building product declaration Declarations 43.14kB 9/1/2011 Add to bucket
GRCa  Building product declaration Declarations 42.03kB 4/9/2014 Add to bucket
GRCa  Circular egg crate grille Catalogue/Product sheets 492.18kB 10/10/2018 Add to bucket
GRCa  Installation, commissioning and maintenance Instructions/Manuals 459.07kB 3/17/2016 Add to bucket