XK_img_01psd.png

XK

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Aerodynamically optimised splitter frame

Aerodynamically optimised splitter frame

doc_graphic_000009.png
Tested to VDI 6022

Conforms to VDI 6022

XK_img_01psd.png
RK_img_02psd.psd.link
doc_graphic_000009.png

XK

SPLITTER WITH HIGH INSERTION LOSS WITH BROADBAND ATTENUATION EVEN IN THE LOW FREQUENCY RANGE 

Sound attenuator splitters, installation kit to be used in ventilation and air conditioning systems

  •  Attenuation effect due to absorption

  • Energy efficient due to aerodynamically formed frame (bullnose radius 20 mm)
  • Acoustic data measured to ISO 7235
  • 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
  • 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 upon request
  • U-sheets and clamp sheets to join subdivided attenuator splitters

General information

Application
  • Sound attenuator splitters are used for the reduction of fan noise and air-regenerated noise in ventilation and air conditioning systems
  • Attenuation effect due to absorption
  • Broadband attenuation even in the high frequency range
  • Hygiene tested and compliant with VDI 6022
  • For use in areas with a potentially explosive atmosphere (EC Directive 2014/34/EU (ATEX)), zones 1, 2, 21 and 22 (outside) according to Directive 1999/92/EC


Special features
  • Increased insertion loss even in the high-frequency range
  • Energy savings due to aerodynamically profiled splitter frame
  • Up to 30 % lower differential pressure
  • Hygiene tested and compliant with VDI 6022
  • Multi-section construction available for large dimensions


Nominal sizes
  • H: 150 – 2500 mm
  • L: 500, 750, 1000, 1250, 1500, 1750, 2000, 2250, 2500 mm
  • Intermediate sizes of H and L are possible: 150 – 2500 mm in increments of 1 mm
  • Undivided construction: H + L 600 mm min., 4000 mm max., 100 kg max.
  • Size limit for H or L: If one dimension is greater than 1500 mm, the other one must not exceed 1500 mm
  • Height or length subdivided in case of a deviation and for sizes 2501 – 5000 mm
  • Height subdivided from H ≥ 2501 mm, otherwise with the length subdivided


Variants
  • XK100: splitter thickness 100 mm
  • XK200: splitter thickness 200 mm
  • XK230: splitter thickness 230 mm
  • XK300: splitter thickness 300 mm


Construction
Splitter surface
  • F: Glass fibre fabric
  • L: glass fibre fabric faced with expanded metal as an additional mechanical protection for the sound absorbing material
Materials and surfaces
  • No entry: galvanised steel 1.0917
  • A2: stainless steel 1.4301
  • Construction L: Glass fibre fabric with perforated metal facing as an additional mechanical protection for the sound absorbing material
  • P1: Powder-coated, RAL 7001, silver grey


Parts and characteristics
  • Aerodynamically profiled frame
  • Reduced weight and increased rigidity due to special profile
  • Helps to optimise the airflow, hence reducing the airregenerated noise
  • Reduces the pressure loss
  • Covers the edges of the sound absorbing material
  • Sound absorbing material fitted to reduce air-regenerated noise by absorption


Accessories
  • UU-sheets/clamp sheets to join subdivided attenuator splitters (included with subdivided splitter constructions)


Construction features
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 are folded to protect the infill
  • Operating temperature up to 100 °C; variant L up to 300 °C for 8h max.


Materials and surfaces
  • Splitter frame and centre mullion 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
  • Non-hazardous thanks to high biosolubility according to the German Ordinance on Hazardous Substances and Note Q of the European Regulation (EC) No. 1272/2008
  • 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


Maintenance
  • Low maintenance as construction and materials are not subject to wear

Informaţii tehnice

Function, Technical data, Quick sizing, Specification text, Order code

  • Function
  • TECHNICAL DATA
  • QUICK SIZING
  • SPECIFICATION TEXT
  • ​ORDER CODE
Schematic illustration of XK XK_gc_02ai.png
1 Splitter frame
2 Glass fibre fabric (facing)
3 Sound absorbing material


The attenuation effect of the XK splitters is due to absorption. The splitters have a mineral wool infill as sound absorbing material.

 

 

 


Splitter thickness100, 200, 230, 300 mm
Nominal sizes (H × L)150 × 450 – 1500 × 2500 mm, 450 × 150 – 2500 × 1500 mm
Height subdivide2501 – 5000 mm or if H and L > 1500 mm
Length subdivided2501 – 5000 mm or if H and L > 1500 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 sound attenuator splitters 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.

XK100, XS100, insertion loss De [dB] and differential pressure Δpt [Pa]

L

Airway width

Centre frequency fm [Hz]

vs [m/s]

63125250500100020004000800061014
500504861835402722102956

500

100444152722151082345
100050610142844483529133772

1000

8057102438382720102855

1000

100558233633231592651
1500507132138

> 50

> 50

4337164487

1500

8069163348483526123263

1500

10067133045453121102956
2000508162948

> 50

> 50

> 50

451952102

2000

807102141

> 50

> 50

4333133670

2000

100781838

> 50

> 50

3927113262
250050101836

> 50

> 50

> 50

> 50

> 50

2260118

2500

808122749

> 50

> 50

> 50

39144078

2500

100892245

> 50

> 50

4833123467
300050112144

> 50

> 50

> 50

> 50

> 50

2468133

3000

80101433

> 50

> 50

> 50

> 50

45164485

3000

10091027

> 50

> 50

> 50

> 50

38133773

XK200, XS200, insertion loss De [dB] and differential pressure Δpt [Pa]

L

Airway width

Centre frequency fm [Hz]

vs [m/s]

63125250500100020004000800061014
50050491427423825192158114

500

10025101928241612113161
1000505142143

> 50

> 50

36252467131

1000

80410183546412719154384

1000

10049163241352316133569
15005071929

> 50

> 50

> 50

47312775147

1500

806142449

> 50

> 50

3523174894

1500

1005122244

> 50

463019144078
20005092436

> 50

> 50

> 50

> 50

373083164

2000

8071931

> 50

> 50

> 50

44271953105

2000

10061628

> 50

> 50

> 50

3723164486

2000

200391940443116992550
250050112944

> 50

> 50

> 50

> 50

423392180

2500

8092337

> 50

> 50

> 50

> 50

322159115

2500

10082034

> 50

> 50

> 50

4427174894

2500

2004112449

> 50

381911102854
3000501334

> 50

> 50

> 50

> 50

> 50

4836100197

3000

80102744

> 50

>50

> 50

> 50

362364126

3000

10092340

> 50

> 50

> 50

> 50

301953103

3000

20051329

> 50

> 50

452212113059

XK230, XS230, insertion loss De [dB] and differential pressure Δpt [Pa]

L

Airway width

Centre frequency fm [Hz]

vs [m/s]

63125250500100020004000800061014
5008036112230221615154384

500

10035101926191414133569
100080410183242342319184997

1000

10049172938302017144078

1000

2003612202317111082344
1500805142541

> 50

4730222056109

1500

100513233849412620164588

1500

2004818273223141292549
20008061832

> 50

> 50

> 50

37262262121

2000

1006163047

> 50

> 50

3223185098

2000

200411233540281714102854
25008072239

> 50

> 50

> 50

43292568134

2500

10072037

> 50

> 50

> 50

38262055108

2500

200513284248342016113059
30008082646

> 50

> 50

> 50

50322774146

3000

10082443

> 50

> 50

> 50

44292260117

3000

2006163350

> 50

402418123364

XK300, XS300, insertion loss De [dB] and differential pressure Δpt [Pa]

L

Airway width

Centre frequency fm [Hz]

vs [m/s]

63125250500100020004000800061014
50080371522292618122158113

500

10036132026231611174691
1000805122334423724162365127

1000

1004112131383322141851101

1000

20038162225211310102753
1500806173245

> 50

4730202672141

1500

1005162942504227182056111

1500

200312222933271711112957
20008072340

> 50

> 50

> 50

36232879154

2000

10062137

> 50

> 50

> 50

32212262121

2000

200415283741332013113161
25008092849

> 50

> 50

> 50

42273186168

2500

10082645

> 50

> 50

> 50

37242467131

2500

200519344550392415123365
3000801034

> 50

> 50

> 50

> 50

48303393182

3000

100931

> 50

> 50

> 50

> 50

43272672141

3000

20062340

> 50

> 50

452717133569

Specification text

Sound attenuator splitters used for the reduction of fan noise and air-regenerated noise in air conditioning systems. Attenuation effect due to absorption. Energy-saving as well as hygiene tested. The installation kit consists of an aerodynamically profiled frame (bullnose radius of 20 mm) and sound absorbing material. The splitter frame reduces pressure losses and air-regenerated noise. The special profile helps to reduce the weight and increase the rigidity of the splitters. Frame edges are folded to protect the sound absorbing infill. Insertion loss and sound power level of air-regenerated noise measured according to EN ISO 7235. Hygiene compliant with VDI 6022, VDI 3803 Part 1 and DIN 1946 Part 4. Suitable for areas with potentially explosive atmospheres (ATEX), zones 1, 2, 21 and 22 (outside) according to Directive 1999/92/EC.


Special characteristics

  • Increased insertion loss even in the high-frequency range
  • Energy savings due to aerodynamically profiled splitter frame
    • Up to 30 % lower differential pressure
  • Hygiene tested and compliant with VDI 6022
  • Multi-section construction available for large dimensions


Material and surfaces

  • Splitter frame and centre mullion made of galvanised sheet steel 1.0917 or stainless steel 1.4301
  • Expanded metal cover made of galvanised steel 1.0917
  • Perforated metal facing made of stainless steel 1.4301
  • Sound absorbing material mineral wool
    • According to EN 13501, fire rating class A1, non-combustible
    • RAL quality mark RAL-GZ 388
    • Non-hazardous thanks to high biosolubility according to the German Ordinance on Hazardous Substances and Note Q of the European Regulation (EC) No. 1272/2008
    • 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


Splitter surface

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


Materials and surfaces

  • No entry: galvanised steel 1.0917
  • A2: stainless steel 1.4301
    • Construction L: Glass fibre fabric with perforated metal facing as an additional mechanical protection for the sound absorbing material
  • P1: Powder-coated, RAL 7001, silver grey


Technical data

  • Splitter thickness: 100, 200, 230, 300 mm
  • Dimensions: 150 × 450 – 1500 × 2500 mm, 450 × 150 – 2500 × 1500 mm
  • Height subdivided: up to 5000 mm
  • Length subdivided: up to 5000 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]
  • Δpst [Pa]


XKFA2/200×600×1500
|| | | | | |
12 3 4 5 6 7

1 Type
XK 

Sound attenuator splitter

2 Variant
No entry required: TROX standard variants

3 Splitter surface
F Glass fibre fabric
L Glass fibre fabric and expanded metal 

4 Material
No entry required: Galvanised steel 1.0917
A2 Stainless steel 1.4301
P1 Powder-coated in RAL 7001, silver grey 

5 Splitter thickness T [mm]
100, 200, 230, 300 

6 Height H [mm]
150 – 5000 

7 Length L in airflow direction [mm]
150 – 5000

Order example: XK-L/200×1500×1000
Splitter surfaceGlass fibre fabric
Splitter thickness200 mm
Height
1500 mm
Length1000 mm





Assembly material SDK

To be ordered separately if splitters are to be subdivided by others.


SDKA2/200/2
||||
1234

1 Type

SDK Accessories for sound attenuator splitters 


2 MaterialNo entry: galvanised steel (1.0917)
A2 Stainless steel (1.4301)
P1 Powder-coated RAL 7001 (galvanised steel (1.0917)) 

3 Splitter thickness T [mm]
No entry: without U-sheets
100 With 2 U-sheets
200 With 2 U-sheets
230 With 2 U-sheets
300 With 2 U-sheets 

4 No. of clamp sheets for the joints
No entry: without clamping plates (for H or L ≤ 750 mm)
H or L 751 – 1000 mm
H or L ≥ 1001 mm

Order example: SDK-A2/200/2
MaterialStainless steel (1.4301)
Splitter thickness200 mm, with 2 U-sheets
No. of clamp sheets2

Weights, Installation details, Accessories - SDK

  • Weights
  • INSTALLATION DETAILS 
  • ACCESSORIES - SDK

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 max.: 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
  • U-sheets and clamp sheets to join attenuator splitters subdivided by others.
  • Depending on the splitter construction:
  • Material
  • Splitter thickness for U-sheets
  • No. of clamp sheets
  • Screws for fixing U-sheets and clamp sheets are to be provided by others.


No. of clamp sheets per splitter joint:
H or L ≤ 750 mm: without clamp sheet
H or L 751 – 1000 mm: 2 clamp sheets (1 on each side)
H or L ≥ 1001 mm: 4 clamp sheets (2 on each side)
No. of U-sheets per splitter joint: 2
Follow the instructions in the installation manual.

Descărcări fişiere

informaţii produs

certificate

manuale de operare

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Contact

Vă mulţumim pentru mesaj!

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Departamentul nostru de Cereri Service o să vă contacteze în cel mai scurt timp Pentru întrebări generale privind produsele sau serviciile puteţi suna şi la:
Tel.: +40 31 82 43 041 | Fax: +40 31 82 43 040