XK | TROX Austria GmbH Predstavništvo Srbija

Aerodynamically optimised splitter frame

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

Tehničke informacije

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

Schematic illustration of XK

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 thickness	100, 200, 230, 300 mm
Nominal sizes (H × L)	150 × 450 – 1500 × 2500 mm, 450 × 150 – 2500 × 1500 mm
Height subdivide	2501 – 5000 mm or if H and L > 1500 mm
Length subdivided	2501 – 5000 mm or if H and L > 1500 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 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 f_m [Hz]								v_s [m/s]
L	Airway width	63	125	250	500	1000	2000	4000	8000	6	10	14
500	50	4	8	6	18	35	40	27	22	10	29	56
500	100	4	4	4	15	27	22	15	10	8	23	45
1000	50	6	10	14	28	44	48	35	29	13	37	72
1000	80	5	7	10	24	38	38	27	20	10	28	55
1000	100	5	5	8	23	36	33	23	15	9	26	51
1500	50	7	13	21	38	> 50	> 50	43	37	16	44	87
1500	80	6	9	16	33	48	48	35	26	12	32	63
1500	100	6	7	13	30	45	45	31	21	10	29	56
2000	50	8	16	29	48	> 50	> 50	> 50	45	19	52	102
2000	80	7	10	21	41	> 50	> 50	43	33	13	36	70
2000	100	7	8	18	38	> 50	> 50	39	27	11	32	62
2500	50	10	18	36	> 50	> 50	> 50	> 50	> 50	22	60	118
2500	80	8	12	27	49	> 50	> 50	> 50	39	14	40	78
2500	100	8	9	22	45	> 50	> 50	48	33	12	34	67
3000	50	11	21	44	> 50	> 50	> 50	> 50	> 50	24	68	133
3000	80	10	14	33	> 50	> 50	> 50	> 50	45	16	44	85
3000	100	9	10	27	> 50	> 50	> 50	> 50	38	13	37	73

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

L	Airway width	Centre frequency f_m [Hz]								v_s [m/s]
L	Airway width	63	125	250	500	1000	2000	4000	8000	6	10	14
500	50	4	9	14	27	42	38	25	19	21	58	114
500	100	2	5	10	19	28	24	16	12	11	31	61
1000	50	5	14	21	43	> 50	> 50	36	25	24	67	131
1000	80	4	10	18	35	46	41	27	19	15	43	84
1000	100	4	9	16	32	41	35	23	16	13	35	69
1500	50	7	19	29	> 50	> 50	> 50	47	31	27	75	147
1500	80	6	14	24	49	> 50	> 50	35	23	17	48	94
1500	100	5	12	22	44	> 50	46	30	19	14	40	78
2000	50	9	24	36	> 50	> 50	> 50	> 50	37	30	83	164
2000	80	7	19	31	> 50	> 50	> 50	44	27	19	53	105
2000	100	6	16	28	> 50	> 50	> 50	37	23	16	44	86
2000	200	3	9	19	40	44	31	16	9	9	25	50
2500	50	11	29	44	> 50	> 50	> 50	> 50	42	33	92	180
2500	80	9	23	37	> 50	> 50	> 50	> 50	32	21	59	115
2500	100	8	20	34	> 50	> 50	> 50	44	27	17	48	94
2500	200	4	11	24	49	> 50	38	19	11	10	28	54
3000	50	13	34	> 50	> 50	> 50	> 50	> 50	48	36	100	197
3000	80	10	27	44	> 50	>50	> 50	> 50	36	23	64	126
3000	100	9	23	40	> 50	> 50	> 50	> 50	30	19	53	103
3000	200	5	13	29	> 50	> 50	45	22	12	11	30	59

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

L	Airway width	Centre frequency f_m [Hz]								v_s [m/s]
L	Airway width	63	125	250	500	1000	2000	4000	8000	6	10	14
500	80	3	6	11	22	30	22	16	15	15	43	84
500	100	3	5	10	19	26	19	14	14	13	35	69
1000	80	4	10	18	32	42	34	23	19	18	49	97
1000	100	4	9	17	29	38	30	20	17	14	40	78
1000	200	3	6	12	20	23	17	11	10	8	23	44
1500	80	5	14	25	41	> 50	47	30	22	20	56	109
1500	100	5	13	23	38	49	41	26	20	16	45	88
1500	200	4	8	18	27	32	23	14	12	9	25	49
2000	80	6	18	32	> 50	> 50	> 50	37	26	22	62	121
2000	100	6	16	30	47	> 50	> 50	32	23	18	50	98
2000	200	4	11	23	35	40	28	17	14	10	28	54
2500	80	7	22	39	> 50	> 50	> 50	43	29	25	68	134
2500	100	7	20	37	> 50	> 50	> 50	38	26	20	55	108
2500	200	5	13	28	42	48	34	20	16	11	30	59
3000	80	8	26	46	> 50	> 50	> 50	50	32	27	74	146
3000	100	8	24	43	> 50	> 50	> 50	44	29	22	60	117
3000	200	6	16	33	50	> 50	40	24	18	12	33	64

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

L	Airway width	Centre frequency f_m [Hz]								v_s [m/s]
L	Airway width	63	125	250	500	1000	2000	4000	8000	6	10	14
500	80	3	7	15	22	29	26	18	12	21	58	113
500	100	3	6	13	20	26	23	16	11	17	46	91
1000	80	5	12	23	34	42	37	24	16	23	65	127
1000	100	4	11	21	31	38	33	22	14	18	51	101
1000	200	3	8	16	22	25	21	13	10	10	27	53
1500	80	6	17	32	45	> 50	47	30	20	26	72	141
1500	100	5	16	29	42	50	42	27	18	20	56	111
1500	200	3	12	22	29	33	27	17	11	11	29	57
2000	80	7	23	40	> 50	> 50	> 50	36	23	28	79	154
2000	100	6	21	37	> 50	> 50	> 50	32	21	22	62	121
2000	200	4	15	28	37	41	33	20	13	11	31	61
2500	80	9	28	49	> 50	> 50	> 50	42	27	31	86	168
2500	100	8	26	45	> 50	> 50	> 50	37	24	24	67	131
2500	200	5	19	34	45	50	39	24	15	12	33	65
3000	80	10	34	> 50	> 50	> 50	> 50	48	30	33	93	182
3000	100	9	31	> 50	> 50	> 50	> 50	43	27	26	72	141
3000	200	6	23	40	> 50	> 50	45	27	17	13	35	69

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]
q_v (m³/h)
D_e At 250 Hz [dB]
Δp_st [Pa]

–

…

–

200

600

1500

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 surface	Glass fibre fabric
Splitter thickness	200 mm
Height	1500 mm
Length	1000 mm

Assembly material SDK

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

SDK	–	A2	/	200	/	2
\|		\|		\|		\|
1		2		3		4

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)
2 H or L 751 – 1000 mm
4 H or L ≥ 1001 mm

Order example: SDK-A2/200/2

Material	Stainless steel (1.4301)
Splitter thickness	200 mm, with 2 U-sheets
No. of clamp sheets	2

Weights, Installation details, Accessories - SDK

XK 100 – Glass fibre fabric (-F)

XK 100 – Glass fibre fabric and perforated sheet metal (-L-A2)

XK 230 – Glass fibre fabric and expanded metal (-L)

XK 230 – Glass fibre fabric and perforated sheet metal (-L-A2)

XK 300 – Glass fibre fabric and expanded metal (-L)

XK 300 – Glass fibre fabric and perforated sheet metal (-L-A2)

Upstream conditions after bends, junctions or a narrowing or widening of the duct, vertical upstream section, splitters upright

Upstream conditions after bends, junctions or a narrowing or widening of the duct, vertical upstream section, splitters lying flat

Upstream conditions after bends, junctions or a narrowing or widening of the duct, horizontal upstream section, splitters upright

Upstream conditions after bends, junctions or a narrowing or widening of the duct, horizontal upstream section, splitters lying flat

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

A Length subdivided

H 1000 × L 4000 with 2 U-sheets, 2 clamp sheets

B Height subdivided

H 2000 × L 2500 with 2 U-sheets, 4 clamp sheets

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.

Učitavanje

Informacije o proizvodu

Product data sheet type XK

XK_PD_2024_04_17_DE_en Product data sheet 3,6 MB pdf

Sertifikati

ATEX manufacturer's statement XK

XK-Atex_CE_ATEX_2022_02_23_DE_en Manufacturer's statement 1,9 MB pdf
Declaration of hygiene conformity XK

XK_HC_2024_05_DE_en Certificate 1,9 MB pdf
Non-CE Manufacturer's statement XK

XK_NotCE_2022_02_08_14_49_16_DE_en Certificate 1,9 MB pdf

Uputstva za rukovanje

Installation manual XK

XS_MS_XK_MK_RK_IM_A00000090240_V1_2022_04_GB_en Installation manual 2,7 MB pdf

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XK

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

General information

Tehničke informacije

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

Weights, Installation details, Accessories - SDK

Učitavanje

Informacije o proizvodu

Product data sheet type XK

Sertifikati

ATEX manufacturer's statement XK

Declaration of hygiene conformity XK

Non-CE Manufacturer's statement XK

Uputstva za rukovanje

Installation manual XK

TEHNIČKI NEOPHODNI KOLAČIĆI

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