Return Grilles 20-45-H

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Description

​Features and Benefits of Return Grilles 20-45-H

 

 

 

  • Return grille
  • For returning air
  • Horizontal fixed blades at 45o
  • Finished in anodised aluminium
  • Can be finished in any RAL colour upon request
  • It can incorporate volume control damper (-O)

 

 
 
 
 
 
 

Return Grilles 20-45-H Selection Table

Return Grilles 20-45-H Dimensions
 

Dimension

Q(m3/h)

LwA[dB(A)]

Pt(PA)

Vk(m/s)

200 x 100

70

90

120

24

32

40

6

12

22

2.4

3.4

4.6

250 x 100

80

110

150

24

32

40

6

11

20

2.4

3.2

4.3

300 x 100

100

130

180

24

32

40

5

10

19

2.2

3.0

4.1

400 x 100

200 x 200

130

170

230

24

32

40

5

9

17

2.1

2.9

3.9

600 x 100

300 x 200

190

250

340

24

32

40

4

8

14

2.0

2.7

3.7

400 x 200

230

310

420

24

32

40

4

7

13

1.8

2.5

3.4

450 x 200

280

380

520

24

32

40

4

7

12

1.9

2.6

3.6

500 x 200

350 x 300

350

470

640

24

32

40

3

6

11

2.1

2.8

3.8

600 x 200

400 x 300

400

550

750

24

32

40

3

6

11

2.0

2.7

3.7

800 x 200

500 x 300

520

700

950

24

32

40

3

5

10

2.0

2.7

3.7

1000 x 200

600 x 300

620

840

1140

24

32

40

3

5

9

1.9

2.5

3.5

300 x 300

330

450

660

24

32

40

3

6

13

2.2

3.0

4.4

800 x 300

600 x 400

780

1060

1440

24

32

40

2

4

8

1.8

2.5

3.4

1000 x 300

750 x 400

940

1270

1740

24

32

40

2

4

8

1.8

2.4

3.3

1200 x 300

900 x 400

700 x 500

600 x 600

1180

1600

2180

24

32

40

2

4

7

1.9

2.5

3.4

 

The Selection Table shows a summary of dimensions. Other sizes available. Consult our sales department.

 

Legend

 

Q(m3/h): Air Flow

 

LwA[dB(A)]: Sound Power Level

 

Pt(PA): Total Pressure Loss

 

 

 

Vk(m/s): Effective Velocity​

There are no softwares available for download for this particular product.

​Mounting Return Grilles 20-45-H

 

 

 
 
 

 

 
  • With pressure clips - Mounting frame needed (-MM)
  • Conceled fixing (-SFO) - Mounting frame needed (-MM)
  • With screws - Without indication, the grille is provided with holes for screwing the mounting frame
  • With plenum box made of galvanised steel sheet, side or top entry connection (-PE21/20)
 

 

 
 
 

Other models Available

20-45-V Return Grille

 
 
 

 

  • Vertical blades
  • Fixed at 45o
  • Made in aluminium

 

 
 
 

 

 
 
 

 

 
 
 

21-45-H Return Grille

 
 
 

 

  • Horizontal blades
  • Fixed at 45 o
  • Made in steel sheet.

 

 
 
 

 

 
 
 

 

 
 
 

21-45-V Return Grille

 
 
 

 

  • Vertical blades
  • Fixed at 45 o
  • Made in steel sheet

 

 
 
 

 

 
 
 

 

 
 
 

20-45-H-SB

 
 
 

 

  • Dimensions 595x295 - 595x595
  • For modular false ceilings.

 

 
 
 

 

 
 
 

20-45-H/V-FF Grille

 
 
 

 

  • Fixed horizontal or vertical blades at 45 o
  • Filter-holder

 

 
 
 

 

 
 
 

20-45-H/V-FL Return Grille

 
 
 

 

  • Horizontal or vertical blades
  • Fixed at 45 o
  • Filter fixed to the grill through clip on the rear

 

 
 
 

 

 
 
 

 

 
 
 

20-45-HE Grilles

 
 
 

 

  • Horizontal blade pack
  • Hinged on fixed frame
  • Lock and key