MS_gc_14png.png
MS-XS_gc_09png.png.link

Standard flange 30 mm

MS-XS_gc_01png.png.link
Angle section frame

35 × 35 × 3 mm

Kulissenrahmen_SDpng.png.link

Aerodynamically optimised splitter frame

VDI6022_gs_01ai.ai.link
Tested to VDI 6022

Tested to VDI 6022

MS_gc_14png.png
MS-XS_gc_09png.png.link
MS-XS_gc_01png.png.link
Kulissenrahmen_SDpng.png.link
VDI6022_gs_01ai.ai.link

MS 

Splitter sound attenuator with high insertion loss, even in the low-frequency range

Splitter sound attenuator, basically a duct section with integral splitters (type MK) with resonating panels, for ventilation and air conditioning systems

  • Attenuation effect due to absorption and resonance
  • Energy efficient due to aerodynamically formed frame (bullnose radius 20 mm)
  • Sound absorbing material is biosoluble and hence hygienically safe
  • Sound absorbing material faced with glass fibre fabric as a protection against erosion due to airflow velocities up to 20 m/s
  • The sound absorbing material is non-combustible, to EN 13501, fire rating class A1
  • Leakage class C and pressure class 2 according to EN 15727
  • For use in areas with potentially explosive atmospheres (according to EC Directive 2014/34/EU (ATEX)), zones 1, 2, and zones 21 and 22 (outside) according to EC Directive 1999/92/EC
  • Operating temperature up to 100 °C, with expanded metal (variant L) up to 300 °C for a limited period of time


Optional equipment and accessories

  • Expanded metal as an additional mechanical protection for the sound absorbing material
  • Stainless steel variant A2 (1.4301), with optional perforated metal facing as an additional protection for the sound absorbing material
  • Other stainless steel and aluminium variants as well as PUR coating are upon request
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General Information

Application

  • Splitter sound attenuators used for the reduction of fan noise and air-regenerated noise in ventilation and air conditioning systems
  • Attenuation effect due to absorption and resonance
  • Broadband attenuation even in the low frequency range of critical fan noise
  • For use in areas with potentially explosive atmospheres (EC Directive 2014/34/EU (ATEX)), zones 1, 2, 21 and 22 (outside) according to Directive 1999/92/EC



Special features

  • Resonating panels ensure increased insertion loss in the frequency range of critical fan noise
  • Leakage class C and pressure class 2 according to EN 15727
  • Energy savings due to aerodynamically formed splitter frame
    • Up to 30 % lower differential pressure
  • Hygiene tested and compliant with VDI 6022
  • Multi-section construction available for large dimensions



Nominal sizes

  • Width B: 200, 400, 600, 800, 1000, 1200, 1400, 1600, 1800, 2000, 2200, 2400 mm
    • Intermediate sizes: in increments of 1 mm
      • Splitter thickness 100 mm: 150 – 2399 mm
      • Splitter thickness 200 mm: 250 – 2399 mm
      • Splitter thickness 230 mm: 288 – 2399 mm
    • Sizes from 2401 – 4800 mm are available with the width subdivided in increments of 1 mm
      • Even no. of splitters: centre division
      • Odd no. of splitters: off-centre division
  • Height H: 300, 400, 500, 600, 700, 800, 900, 1000, 1100, 1200, 1300, 1400, 1500, 1600, 1700, 1800 mm
    • Intermediate sizes 150 – 1799 mm in increments of 1 mm
    • Sizes from 1801 – 3600 mm are available with the height subdivided in increments of 1 mm
      • Centre division
  • Length L: 500, 750, 1000, 1250, 1500 mm
    • Intermediate sizes 501 – 1499 mm in increments of 1 mm
  • Sizes from 1501 – 3000 mm are available with the length subdivided in increments of 1 mm
    • Part L1: 1000, 1250, 1500 mm
    • Part L2: at least 501 mm and ≤ L1, in increments of 1 mm
  • Width and/or height subdivided if B + H > 4200 mm
  • Airway width S
    • Minimum: splitter thickness T × 0.25, but not < 40 mm
    • Maximum: splitter thickness T × 2



Variants

  • MS with splitter type MK
    • Splitter thickness 100 mm
    • Splitter thickness 200 mm
    • Splitter thickness 230 mm


Construction

Duct

  • No entry: with duct
  • OL: without duct (set of MK splitters only)

Splitter surface

  • F: Glass fibre fabric
  • L: glass fibre fabric faced with expanded metal as an additional mechanical protection for the sound absorbing material
    • Stainless steel construction with perforated metal facing

Materials and surfaces

  • No entry: galvanised steel 1.0917
  • A2: stainless steel 1.4301
  • P1: splitters powder-coated RAL 7001, silver grey

Duct connection

  • P: flange 30 mm, galvanised or stainless steel
  • W: angle section frame 35 × 35 × 3 mm, galvanised
  • T: flange 20 mm, galvanised

Matching frame

  • No entry: none
  • G: matching frame (only for angle section frame W)



Parts and characteristics

  • Duct
    • Leakage class C and pressure class 2 according to EN 15727
    • Various duct connections available
  • Matching frame
    • Angle section frame with the same pattern as the requested sound attenuator
    • For installation onto a duct (duct by others)
    • Aerodynamically formed frame
      • Covers the edges of the sound absorbing material
      • Reduces the pressure loss
      • Helps to optimise the airflow, hence reducing the air-regenerated noise
      • Increased rigidity due to special profile
    • Absorption material
    • Resonating panel



Construction features

  • Bent duct with grooves for increased rigidity
  • Sound attenuators with angle section frame, width or height subdivided
    • Galvanised construction only
  • Aerodynamically formed splitter frame (bullnose radius 20 mm) that helps to reduce turbulence on both the upstream and downstream sides; frame with grooves for increased rigidity
    • Frame edges with bullnose for increased rigidity
  • Operating temperature up to 100 °C; variant L up to 300 °C for 8h max.



Materials and surfaces

  • Duct, flange in galvanised sheet steel 1.0917 or stainless steel 1.4301
  • Angle section frame in galvanised L steel S235JRC2
  • Splitter frame, centre mullion and resonating panels made of galvanised sheet steel 1.0917 or stainless steel 1.4301
    • Expanded metal facing made of galvanised steel 1.0917
    • Perforated metal facing made of stainless steel 1.4301
    • Absorption material is mineral wool
      • To EN 13501, fire rating class A1, non-combustible
      • RAL quality mark RAL-GZ 388
      • Biosoluble and hence hygienically safe according to the German TRGS 905 (Technical Rules for Hazardous Substances) and EU directive 97/69/EC
      • Faced with glass fibre fabric as a protection against erosion from airflow velocities of up to 20 m/s
      • Inert to fungal and bacterial growth according to EN 846


Standards and guidelines

  • Insertion loss and sound power level of air-regenerated noise tested to ISO 7235
  • Meets the hygiene requirements of VDI 6022, VDI 3803 Part 1 and DIN 1946 Part 4
  • EC Directive 2014/34/EC (ATEX): Equipment and protective systems intended for use in areas with potentially explosive atmospheres
  • EC Directive 1999/92/EC (ATEX): Improvement of the safety and health protection of workers potentially at risk from explosive atmospheres
  • Leakage class and pressure class according to EN 15727



Maintenance

  • Low-maintenance as construction and materials are not subject to wear
  • Regular cleaning intervals according to VDI6022


Technische informatie

Function, Technical Data, Quick Sizing, Specification Text, Order Code

  • FUNCTION
  • TECHNICAL DATA
  • QUICK SIZING
  • SPECIFICATION TEXT
  • ORDER CODE

Splitter sound attenuators type MS contain splitters type MK.
The attenuation effect of the MK splitters is due to absorption and resonance. The splitters have a mineral wool infill as sound absorbing material. Part of the splitter surface that runs parallel to the airflow is covered with resonating panels. These panels start oscillating due to the sound (resonance) and hence absorb sound energy. Resonance works best in the frequency range of critical fan noise. There is a higher attenuation across a wider frequency range when compared to mere absorption splitters.


Splitter thickness100, 200, 230 mm
Nominal sizes (B × H × L)Type MS 100: 150 × 150 × 500 mm – 2400 × 1800 × 1500 mm
Type MS 200: 250 × 150 × 500 mm – 2400 × 1800 × 1500 mm
Type MS 230: 288 × 150 × 500 mm – 2400 × 1800 × 1500 mm
Width subdivided2401 – 4800 mm
Height subdivide1801 – 3600 mm
Length subdivided1501 – 3000 mm
Intermediate sizesIn increments of 1 mm
Operating temperature

Up to 100 °C, variant L up to 300 °C for 8 h max.


The length (L) of splitter sound attenuators refers to the airflow direction.



Quick sizing tables provide a good overview of the insertion loss and of differential pressures for different airway widths and airflow velocities. Intermediate values can be calculated with our Easy Product Finder design program.

The differential pressures apply to sound attenuators with a height of 1 m.


MK100, MS100, insertion loss De [dB] and differential pressure Δp[Pa]

L

Airway width

Centre frequency fm [Hz]

vs [m/s]

63

125

250

500

1000

2000

4000

8000

6

10

14

500

50

4

9

10

11

19

25

21

16

10

29

56

500

100

3

4

5

8

13

15

11

8

8

23

45

1000

50

5

11

18

20

28

34

28

23

13

37

72

1000

80

4

8

12

16

23

25

19

15

10

28

55

1000

100

4

7

9

13

21

21

15

11

9

26

51

1500

50

6

14

26

29

37

42

36

29

16

44

87

1500

80

5

11

18

22

32

32

24

19

12

32

63

1500

100

4

9

14

19

29

28

19

13

10

29

56

2000

50

7

17

34

38

46

> 50

44

36

19

52

102

2000

80

6

14

24

29

40

40

29

23

13

36

70

2000

100

5

12

19

24

37

34

22

16

11

32

62

2500

50

8

20

42

47

> 50

> 50

> 50

43

22

60

118

2500

80

7

16

30

35

48

47

34

27

14

40

78

2500

100

6

15

24

30

44

41

26

19

12

34

67

3000

50

9

22

50

> 50

> 50

> 50

> 50

50

24

68

133

3000

80

8

19

35

42

> 50

> 50

39

31

16

44

85

3000

100

7

17

28

35

> 50

47

30

22

13

37

73


 


MK200, MS200, insertion loss De [dB] and differential pressure Δp[Pa]

L

Airway width

Centre frequency fm [Hz]

vs [m/s]

63

125

250

500

1000

2000

4000

8000

6

10

14

500

50

4

6

18

21

24

18

15

13

21

58

114

500

100

2

4

12

13

15

12

10

8

11

31

61

1000

50

6

13

29

34

39

29

20

17

24

67

131

1000

80

5

11

24

26

29

22

16

13

15

43

84

1000

100

4

9

21

22

24

19

13

11

13

35

69

1500

50

8

20

41

46

> 50

41

26

21

27

75

147

1500

80

6

16

33

36

40

30

20

16

17

48

94

1500

100

5

14

30

32

34

25

17

14

14

40

78

2000

50

10

28

> 50

> 50

> 50

> 50

31

26

30

83

164

2000

80

8

22

43

47

> 50

39

24

19

19

53

105

2000

100

7

20

38

41

43

32

21

17

16

44

86

2000

200

3

12

23

22

18

12

10

7

9

25

50

2500

50

13

35

> 50

> 50

> 50

> 50

37

30

33

92

180

2500

80

10

28

> 50

> 50

> 50

47

28

23

21

59

115

2500

100

8

25

47

50

> 50

39

24

19

17

48

94

2500

200

4

14

29

28

22

14

11

8

10

28

54

3000

50

15

42

> 50

> 50

> 50

> 50

42

34

36

100

197

3000

80

11

34

> 50

> 50

> 50

> 50

33

26

23

64

126

3000

100

10

30

> 50

> 50

> 50

46

28

22

19

53

103

3000

200

5

17

35

34

26

16

13

10

11

30

59


MK230, MS230, insertion loss De [dB] and differential pressure Δp[Pa]

L

Airway width

Centre frequency fm [Hz]

vs [m/s]

63

125

250

500

1000

2000

4000

8000

6

10

14

500

80

2

6

14

16

18

14

12

12

15

43

84

500

100

2

5

12

13

15

11

10

11

13

35

69

1000

80

6

11

24

25

29

21

15

15

18

49

97

1000

100

5

10

21

22

25

17

13

14

14

40

78

1000

200

2

7

14

12

10

6

7

9

8

23

44

1500

80

9

17

34

35

41

28

19

18

20

56

109

1500

100

8

15

31

31

34

23

16

16

16

45

88

1500

200

3

11

20

17

14

9

10

10

9

25

49

2000

80

13

22

44

45

> 50

34

22

22

22

62

121

2000

100

11

20

40

39

44

29

20

19

18

50

98

2000

200

4

14

26

23

18

12

12

12

10

28

54

2500

80

16

27

> 50

> 50

> 50

41

25

25

25

68

134

2500

100

13

25

49

48

> 50

35

23

22

20

55

108

2500

200

5

18

33

28

22

15

15

13

11

30

59

3000

80

19

33

> 50

> 50

> 50

48

29

28

27

74

146

3000

100

16

30

> 50

> 50

> 50

41

26

25

22

60

117

3000

200

6

21

39

34

26

17

17

15

12

33

64

Specification text

Splitter sound attenuators used for the reduction of fan noise and air-regenerated noise in ventilation and air conditioning systems. Attenuation effect due to absorption and resonance. Energy-saving as well as hygiene tested and certified. Splitter sound attenuator that consist of a duct with connections and integral type MK splitters or a splitter set. Splitters consist of an aerodynamically formed frame (bullnose radius 20 mm), sound absorbing material, and resonating panels. The splitter frame reduces pressure losses and air-regenerated noise. The profiled frame with bullnose edges increase the stiffness of the splitter. Insertion loss and sound power level of air-regenerated noise measured according to EN ISO 7235. For requirements in areas with potentially explosive atmospheres (ATEX), zones 1, 2, 21 and 22 (outside) according to Directive 1999/92/EC. The duct meets leakage class C and pressure class 2 according to EN 15727.


Special features

  • Resonating panels ensure increased insertion loss in the frequency range of critical fan noise
  • Leakage class C and pressure class 2 according to EN 15727
  • Energy savings due to aerodynamically formed splitter frame
    • Up to 30 % lower differential pressure
  • Hygiene tested and compliant with VDI 6022
  • Multi-section construction available for large dimensions


Materials and surfaces

  • Duct, flange in galvanised sheet steel 1.0917 or stainless steel 1.4301
  • Angle section frame in galvanised L steel S235JRC2
  • Splitter frame, centre mullion and resonating panels made of galvanised sheet steel 1.0917 or stainless steel 1.4301
    • Expanded metal facing made of galvanised steel 1.0917
    • Perforated metal facing made of stainless steel 1.4301
    • Absorption material is mineral wool
      • To EN 13501, fire rating class A1, non-combustible
      • RAL quality mark RAL-GZ 388
      • Biosoluble and hence hygienically safe according to the German TRGS 905 (Technical Rules for Hazardous Substances) and EU directive 97/69/EC
      • Faced with glass fibre fabric as a protection against erosion from airflow velocities of up to 20 m/s
      • Inert to fungal and bacterial growth according to EN 846



Construction

Duct

  • No entry: with duct
  • OL: without duct (set of MK splitters only)

Splitter surface

  • F: Glass fibre fabric
  • L: glass fibre fabric faced with expanded metal as an additional mechanical protection for the sound absorbing material
    • Stainless steel construction with perforated metal facing

Materials and surfaces

  • No entry: galvanised steel 1.0917
  • A2: stainless steel 1.4301
  • P1: splitters powder-coated RAL 7001, silver grey

Duct connection

  • P: flange 30 mm, galvanised or stainless steel
  • W: angle section frame 35 × 35 × 3 mm, galvanised
  • T: flange 20 mm, galvanised

Matching frame

  • No entry: none
  • G: matching frame (only for angle section frame W)


Technical data

  • Splitter thickness: 100, 200, 230 mm
  • Dimensions B × H × L: MS 100: 150 × 150 × 500 mm, MS 200: 250 × 150 × 500 mm, MS 230: 288 × 150 × 500 mm
  • Undivided construction up to 2400 × 1800 × 1500 mm
  • Width subdivided: 2401 – 4800 mm
  • Height subdivided: 1801 – 3600 mm
  • Length subdivided: 1501 – 3000 mm
  • Intermediate sizes: in increments of 1 mm
  • Operating temperature: up to 100 °C, variant L up to 300 °C for 8 h max.

The length (L) of splitter sound attenuators refers to the airflow direction


Sizing data

  • B [mm]
  • H [mm]
  • L (in airflow direction) [mm]
  • qv  (m³/h)
  • De at 250 Hz [dB]
  • Δpt [Pa]


MSOLFA2/900×600×1500/3×200/P/G
||| | | | | | | | |
123 4 5 6 7 8 9 10 11

1 Type
MS Splitter sound attenuator 

2 Duct
No entry: with duct
OL Without duct (set of MK splitters only) 

3 Splitter surface
FL Glass fibre fabric
FL Glass fibre fabric and expanded metal 

4 Material of duct and splitters
No entry: galvanised steel (1.0917)
A2 Stainless steel (1.4301)
P1 Powder-coated, RAL 7001 (variant OL, without duct) 

5 Width [mm]
150 – 4800 (with duct casing)
150 – 100000 (without duct casing) 

6 Height [mm]
150 – 3600 (with duct casing)
150 – 5000 (without duct casing) 

7 Length in airflow direction [mm]
500 – 3000 (with duct casing)
150 – 5000 (without duct casing) 

8 No. of splitters 

9 Splitter thickness [mm]
100, 200, 230 

10 Duct connection
P Flange, 30 mm, galvanised steel or stainless steel
W Angle section frame, 35 × 35 × 3 mm, galvanised steel S235JRC2 only (sound attenuators with the width or height subdivided have to have an angle section frame)
T Flange, 20 mm, galvanised steel only 

11 Matching frame
No entry: None
G G: matching frame (only for angle section frame)

Order example: MS-L/900×1500×1000/3×230/P
DuctWith duct
Splitter surfaceGlass fibre fabric and expanded metal
MaterialGalvanised steel (1.0917)
Width900 mm
Height1500 mm
Length 1000 mm
No. of splitters3
Splitter thickness230 mm
Duct connectionStandard flange 30 mm


Order example: MS-OL-L-A2/800×1500×1500/3×200
DuctWithout duct (set of MK splitters only)
Splitter surfaceGlass fibre fabric and perforated sheet metal
MaterialStainless steel (1.4301)
Width800 mm
Height1500 mm
Length 1500 mm
No. of splitters3
Splitter thickness200 mm

Weights, Dimensions

  • WEIGHTS
  • DIMENSIONS

The weight of a splitter sound attenuator is determined by the number and costruction of the splitters and ducts.

Weight [kg] = (weight of splitter x no. of splitters) + duct


Duct with flange (-P), L= 500
H

B

400600800100012001400160020002400
3007810121416182125
60091113141618202327
900131517192123252933
1200151819212325273135
1500182022242628293337
1800212224262830323539

Duct with flange (-P), L= 750
H

B

400600800100012001400160020002400
30091215172022253036
600131518202325283238
900172023252831333944
1200212326283133364146
1500252831333639414752
1800283134363941444954

Duct with flange (-P), L= 1000
H

B

400600800100012001400160020002400
300121619222529323946
600161923262932354248
900212528313538414855
1200273034374044475461
1500313437414447505663
1800364043464953566369

Duct with flange (-P), L= 1250
H

B

400600800100012001400160020002400
300141721252933374553
600202327313539435159
900263034384245495765
1200323640444852566472
1500384246505458627078
1800444852566064687784

Duct with flange (-P), L= 1500
H

B

400600800100012001400160020002400
300162126303540445463
600232832374246516070
900303539444953586776
1200374146515560647383
1500444853576266718089
18005257616671768190100

Duct with angle section frame (-W), L= 500
H

B

400600800100012001400160020002400
300101316192225283339
600141720232628313743
900202326293235384550
1200242730333639424854
1500283134374043465258
1800323538414447505561

Duct with angle section frame (-W), L= 750
H

B

400600800100012001400160020002400
300131720242831354350
600182125293236394654
900242832353943465461
1200293236404347515865
1500353943465054586573
1800404447515558626976

Duct with angle section frame (-W), L= 1000
H

B

400600800100012001400160020002400
300162025293338435260
600212630343943475564
900283337414650556372
1200354044495358627180
1500414549545862677584
1800485257616570748391

Duct with angle section frame (-W), L= 1250
H

B

400600800100012001400160020002400
300172227323742475767
600253035404550556575
900333843485358637383
1200404550556066718191
1500485358636873788999
18005661667176818697107

Duct with angle section frame (-W), L= 1500
H

B

400600800100012001400160020002400
300202631374349546677
600283440465157637485
900374248546065718293
12004551576268737990102
15005459657176828798110
180063697581879399110122

MK 100 – Glass fibre fabric (-F)

H

L

500

750

1000

1250

1500

1750

2000

2250

2500

5003567810111213
75056891113151618
10006810121517192123
12507912151820232730
150081115182124293235

1750

10

13

17

20

24

X

X

X

X

2000

11

15

19

23

27

X

X

X

X

2250

12

17

21

25

30

X

X

X

X

2500

13

18

23

28

32

X

X

X

X


MK 100 – Glass fibre fabric and expanded metal (-L)
HL
5007501000125015001750200022502500
50045781012131516
7505810121416182022
100071012151921242629
125081215192226293437
1500101418222630364044
17501216212630XXXX
20001319242934XXXX
22501521263238XXXX
25001623293541XXXX
X = subdivided construction

MK 100 – Glass fibre fabric and perforated sheet metal (-L-A2)
HL
5007501000125015001750200022502500
500578101214161820
7507912141720232528
100081215182326303336
1250101418242832364246
1500121723283338455055
17501420263238XXXX
20001623303643XXXX
22501825334048XXXX
25002028364452XXXX

X = subdivided construction


MK 200 – Glass fibre fabric (-F)
HL
5007501000125015001750200022502500
500579111315171820
75071012141720232528
100091215182326293235
1250111418232731354145
1500131722273236434852
17501520263136XXXX
20001723293541XXXX
22501925323945XXXX
25002128354250XXXX
X = subdivided construction

MK 200 – Glass fibre fabric and expanded metal (-L)
HL
5007501000125015001750200022502500
5006810121417192123
75081114172023262932
1000101417212630343741
1250121721273236414852
1500142026313743515661
17501724303643XXXX
20001926344148XXXX
22502129374553XXXX
25002432415059XXXX
X = subdivided construction

MK 200 – Glass fibre fabric and perforated sheet metal (-L-A2)
HL
5007501000125015001750200022502500
5007912141619222427
75091316192327313438
1000121621253135404448
1250141925313743485661
1500162330374350596672
17502027354350XXXX
20002231404857XXXX
22502534445463XXXX
25002738485970XXXX
X = subdivided construction

MK 230 – Glass fibre fabric (-F)
HL
5007501000125015001750200022502500
5006810121416182022
75081113161922252830
1000101317202528323539
1250121620253034394549
1500141925303540485357
17501723283440XXXX
20001925323945XXXX
22502128354350XXXX
25002331394755XXXX
X = subdivided construction

MK 230 – Glass fibre fabric and expanded metal (-L)
HL
5007501000125015001750200022502500
5006911131618212325
75091215182125283235
1000111519232933374145
1250131823293440445256
1500162128344046556166
17501926334046XXXX
20002129374452XXXX
22502332414958XXXX
25002635455464XXXX
X = subdivided construction

MK 230 – Glass fibre fabric and expanded metal (-L)
HL
5007501000125015001750200022502500
50071013151821242629
750101417212529333740
1000131722273338434752
1250152127344046526066
1500182533404754647077
17502130384654XXXX
20002433435261XXXX
22502737475868XXXX
25002941526375XXXX
X = subdivided construction

Nominal sizes

  • Width B: 200, 400, 600, 800, 1000, 1200, 1400, 1600, 1800, 2000, 2200, 2400 mm
    • Intermediate sizes: in increments of 1 mm
      • Splitter thickness 100 mm: 150 – 2399 mm
      • Splitter thickness 200 mm: 250 – 2399 mm
      • Splitter thickness 230 mm: 288 – 2399 mm
    • Sizes from 2401 – 4800 mm are available with the width subdivided in increments of 1 mm
      • Even no. of splitters: centre division
      • Odd no. of splitters: off-centre division
  • Height H: 300, 400, 500, 600, 700, 800, 900, 1000, 1100, 1200, 1300, 1400, 1500, 1600, 1700, 1800 mm
    • Intermediate sizes 150 – 1799 mm in increments of 1 mm
    • Sizes from 1801 – 3600 mm are available with the height subdivided in increments of 1 mm
      • Centre division
  • Length L: 500, 750, 1000, 1250, 1500 mm
    • Intermediate sizes 501 – 1499 mm in increments of 1 mm
  • Sizes from 1501 – 3000 mm are available with the length subdivided in increments of 1 mm
    • Part L1: 1000, 1250, 1500 mm
    • Part L2: at least 501 mm and ≤ L1, in increments of 1 mm
  • Width and/or height subdivided if B + H > 4200 mm
  • Airway width S
    • Minimum: splitter thickness T × 0.25, but not < 40 mm
    • Maximum: splitter thickness T × 2

Installation and commissioning

  • Installation details

Installation and commissioning

  • Follow the installation manual and comply with the general codes of good practice in order to achieve the given performance data
  • Up to height H = 1200 mm, length L = 1500 mm and 40 kg: any installation orientation, but we recommend upright installation of splitters
  • From height H = 1201 mm: upright installation only
  • The length (L) of sound attenuator splitters and splitter sound attenuators refers to the airflow direction; be sure to note how width, height and length are defined, particularly in case of a vertical airflow
  • A turbulent airflow may cause damage to the splitters 
    • A straight upstream section is required upstream of the sound attenuator
    • The recommended minimum upstream section depends on the change of direction, change of cross-section and splitter arrangement
  • Installation in ducts outside closed rooms requires sufficient protection against the effects of weather

Downloads

Product informatie

Certificaten

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Tel.: +31(0)183 767300 | Fax: +31(0)183 767399