Spigot with groove
Application
Special features
Nominal sizes
For VAV terminal units and CAV controllers
Variants
Construction
Circular silencer
Type of connection:
Parts and characteristics
Construction features
Materials and surfaces
Absorption material is mineral wool
To EN 13501-1, fire rating class A1, non-combustible
Non-hazardous to health according to the German TRGS 905 (Technical Rules for Hazardous Substances) and EU directive 97/69/EC
Inner duct with non-woven fibre (fleece) 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
Maintenance
Variants
Parts and characteristics
Construction features
Nominal sizes
For VAV terminal units and CAV controllers
Nominal sizes | 80 – 800 mm |
Operating pressure | 2000 Pa max. |
Operating temperature | 90 °C max. |
The stated differential pressures for circular silencers apply to plain, unprofiled ducts. Deviations, if any, are of no practical relevance. For ductwork calculation, if the length of a circular silencer is included in the total length of the ductwork, no extra length must be added.
Insulation thickness 25 mm, insertion loss De [dB]
Nominal size | Nominal length | Centre frequency fm [Hz] | |||||||
---|---|---|---|---|---|---|---|---|---|
63 | 125 | 250 | 500 | 1000 | 2000 | 4000 | 8000 | ||
80 | 500 | 1 | 2 | 4 | 8 | 15 | 20 | 22 | 13 |
80 | 1000 | 1 | 5 | 9 | 17 | 30 | 42 | 38 | 32 |
100 | 500 | 1 | 2 | 4 | 8 | 15 | 20 | 22 | 13 |
100 | 1000 | 1 | 5 | 9 | 17 | 30 | 42 | 38 | 22 |
125 | 500 | 1 | 2 | 3 | 8 | 14 | 18 | 19 | 11 |
125 | 1000 | 1 | 4 | 8 | 15 | 27 | 39 | 32 | 19 |
160 | 500 | 1 | 1 | 3 | 7 | 13 | 17 | 14 | 9 |
160 | 1000 | 1 | 3 | 7 | 13 | 25 | 35 | 25 | 15 |
200 | 500 | 1 | 1 | 3 | 6 | 12 | 15 | 11 | 7 |
200 | 1000 | 1 | 3 | 6 | 12 | 21 | 32 | 19 | 12 |
Insulation thickness 50 mm, insertion loss De [dB]
Nominal size | Nominal length | Centre frequency fm [Hz] | |||||||
---|---|---|---|---|---|---|---|---|---|
63 | 125 | 250 | 500 | 1000 | 2000 | 4000 | 8000 | ||
100 | 500 | 3 | 5 | 8 | 14 | 23 | 28 | 16 | 13 |
100 | 1000 | 5 | 8 | 14 | 26 | 42 | 48 | 34 | 23 |
125 | 500 | 3 | 4 | 7 | 12 | 21 | 24 | 13 | 11 |
125 | 1000 | 4 | 7 | 12 | 23 | 38 | 41 | 28 | 20 |
160 | 500 | 2 | 3 | 6 | 11 | 19 | 19 | 9 | 8 |
160 | 1000 | 3 | 5 | 10 | 20 | 34 | 33 | 21 | 16 |
200 | 500 | 2 | 3 | 5 | 9 | 17 | 14 | 6 | 6 |
200 | 1000 | 3 | 4 | 8 | 17 | 31 | 25 | 15 | 12 |
250 | 500 | 1 | 2 | 4 | 8 | 15 | 10 | 3 | 4 |
250 | 1000 | 2 | 3 | 6 | 14 | 27 | 18 | 9 | 9 |
250 | 1500 | 3 | 4 | 9 | 20 | 40 | 26 | 15 | 13 |
315 | 500 | 1 | 1 | 3 | 7 | 12 | 8 | 2 | 3 |
315 | 1000 | 1 | 2 | 5 | 12 | 24 | 12 | 7 | 6 |
315 | 1500 | 1 | 3 | 7 | 18 | 35 | 16 | 12 | 9 |
400 | 500 | 1 | 1 | 3 | 5 | 12 | 6 | 1 | 3 |
400 | 1000 | 1 | 2 | 4 | 10 | 22 | 10 | 4 | 5 |
400 | 1500 | 1 | 2 | 6 | 15 | 32 | 13 | 8 | 7 |
Insulation thickness 100 mm, insertion loss De [dB]
Nominal size | Nominal length | Centre frequency fm [Hz] | |||||||
---|---|---|---|---|---|---|---|---|---|
63 | 125 | 250 | 500 | 1000 | 2000 | 4000 | 8000 | ||
100 | 500 | 4 | 8 | 12 | 18 | 35 | 32 | 24 | 13 |
100 | 1000 | 6 | 16 | 24 | 35 | 50 | 50 | 41 | 24 |
125 | 500 | 4 | 7 | 11 | 17 | 32 | 27 | 20 | 11 |
125 | 1000 | 5 | 14 | 21 | 32 | 48 | 45 | 34 | 20 |
160 | 500 | 3 | 6 | 10 | 16 | 28 | 22 | 15 | 9 |
160 | 1000 | 4 | 12 | 19 | 30 | 43 | 36 | 26 | 16 |
200 | 500 | 3 | 5 | 8 | 15 | 25 | 17 | 10 | 7 |
200 | 1000 | 4 | 10 | 16 | 28 | 38 | 29 | 19 | 13 |
250 | 500 | 2 | 4 | 7 | 14 | 22 | 13 | 6 | 5 |
250 | 1000 | 3 | 8 | 14 | 26 | 32 | 21 | 12 | 9 |
250 | 1500 | 4 | 11 | 22 | 38 | 43 | 30 | 18 | 14 |
315 | 500 | 2 | 3 | 6 | 13 | 19 | 10 | 5 | 4 |
315 | 1000 | 3 | 6 | 12 | 24 | 27 | 15 | 7 | 7 |
315 | 1500 | 3 | 8 | 18 | 34 | 35 | 20 | 10 | 9 |
400 | 500 | 2 | 3 | 6 | 12 | 18 | 8 | 3 | 3 |
400 | 1000 | 2 | 5 | 11 | 22 | 24 | 12 | 5 | 5 |
400 | 1500 | 3 | 7 | 16 | 32 | 31 | 17 | 8 | 7 |
450 | 1000 | 2 | 5 | 10 | 22 | 23 | 11 | 4 | 5 |
450 | 1500 | 3 | 7 | 15 | 31 | 29 | 15 | 7 | 7 |
500 | 1000 | 2 | 4 | 10 | 21 | 22 | 10 | 4 | 4 |
500 | 1500 | 2 | 6 | 14 | 31 | 28 | 14 | 6 | 6 |
560 | 1500 | 2 | 6 | 13 | 30 | 26 | 12 | 5 | 5 |
630 | 1500 | 2 | 5 | 12 | 29 | 24 | 10 | 4 | 4 |
710 | 1500 | 2 | 4 | 11 | 28 | 22 | 9 | 3 | 4 |
800 | 1500 | 1 | 4 | 10 | 27 | 20 | 7 | 2 | 3 |
Circular silencers for ventilation and air conditioning systems, rigid construction, available in 14 nominal sizes and with 3 insulation thicknesses
Insertion loss measured according to ISO 7235.
Casing with acoustic and thermal insulation.
Galvanised steel or stainless steel.
Various types of connection, suitable for circular ducts to EN 1506 or EN 13180.
Leakage class C or D (depending on size) to EN 15727.
Special features
Materials and surfaces
Absorption material is mineral wool
To EN 13501-1, fire rating class A1, non-combustible
Non-hazardous to health according to the German TRGS 905 (Technical Rules for Hazardous Substances) and EU directive 97/69/EC
Inner duct with non-woven fibre (fleece) 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
Circular silencer
Type of connection:
Technical data
Sizing data
CAH | – | A2 | / | D2 | / | 160 | × | 1000 | / | 50 |
| | | | | | | | | | | | |||||
1 | 2 | 3 | 4 | 5 | 6 |
Type | CAH |
Material | Stainless steel (1.4301) |
Type of connection | Spigot with lip seal on both ends |
Nominal size [mm] | 160 |
Length [mm] | 1000 |
Insulation thickness [mm] | 50 |
Schematic illustration showing connection type AS
NS | ØD | Insulation thickness 25 | Insulation thickness 50 | Insulation thickness 100 | |||
---|---|---|---|---|---|---|---|
ØD2 | ØD3 | ØD2 | ØD3 | ØD2 | ØD3 | ||
80 | 79 | 80 | 129 | 80 | 184 | ||
100 | 99 | 100 | 154 | 100 | 204 | 100 | 304 |
125 | 124 | 125 | 184 | 125 | 228 | 125 | 319 |
160 | 159 | 160 | 204 | 160 | 254 | 160 | 354 |
200 | 199 | 200 | 254 | 200 | 304 | 200 | 405 |
250 | 249 | 250 | 354 | 250 | 455 | ||
315 | 314 | 315 | 405 | 315 | 505 | ||
400 | 399 | 400 | 505 | 400 | 605 | ||
450 | 448 | 450 | 636 | ||||
500 | 498 | 500 | 716 | ||||
560 | 558 | 560 | 806 | ||||
630 | 628 | 630 | 806 | ||||
710 | 708 | 710 | 908 | ||||
800 | 798 | 800 | 1008 |
LN | L | L1 |
---|---|---|
500 | 500 | 380 |
1000 | 1000 | 880 |
1500 | 1500 | 1380 |
NS | Insulation thickness 25 | Insulation thickness 50 | Insulation thickness 100 | |||||
---|---|---|---|---|---|---|---|---|
LN | ||||||||
500 | 1000 | 500 | 1000 | 1500 | 500 | 1000 | 1500 | |
80 | 2 | 4 | 3 | 5 | ||||
100 | 3 | 4 | 3 | 5 | 5 | 8 | ||
125 | 3 | 5 | 4 | 6 | 5 | 9 | ||
160 | 4 | 6 | 4 | 7 | 6 | 10 | ||
200 | 4 | 7 | 5 | 9 | 7 | 13 | ||
250 | 6 | 11 | 15 | 9 | 15 | 21 | ||
315 | 8 | 14 | 20 | 10 | 17 | 24 | ||
400 | 10 | 17 | 25 | 14 | 25 | 36 | ||
450 | 26 | 37 | ||||||
500 | 31 | 44 | ||||||
560 | 50 | |||||||
630 | 52 | |||||||
710 | 68 | |||||||
800 | 77 |
NS | Insulation thickness 25 | Insulation thickness 50 | Insulation thickness 100 | |||||
---|---|---|---|---|---|---|---|---|
LN | ||||||||
500 | 1000 | 500 | 1000 | 1500 | 500 | 1000 | 1500 | |
80 | 3 | 4 | 3 | 6 | ||||
100 | 3 | 5 | 4 | 6 | 5 | 9 | ||
125 | 3 | 6 | 4 | 7 | 6 | 10 | ||
160 | 4 | 7 | 5 | 8 | 7 | 11 | ||
200 | 5 | 8 | 6 | 10 | 8 | 13 | ||
250 | 7 | 12 | 17 | 9 | 15 | 22 | ||
315 | 8 | 14 | 21 | 10 | 18 | 25 | ||
400 | 10 | 18 | 26 | 13 | 23 | 32 | ||
450 | 24 | 33 | ||||||
500 | 28 | 40 | ||||||
560 | 45 | |||||||
630 | 47 | |||||||
710 | 54 | |||||||
800 | 62 |
Installation and commissioning
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Contact
Wij zijn er om u te helpen.
Geef alstublieft het onderwerp van uw vraag en uw contactgegevens.
Tel.: +31(0)183 767300 | Fax: +31(0)183 767399
Contact
Bedankt voor uw bericht!
Uw bericht is ontvangen door ons Service Center en wordt verwerkt.
Onze service-afdeling neemt contact met u op.
Als u algemene vragen over onze producten en services heeft, kunt u ons ook bereiken op:
Tel.: +31(0)183 767300 | Fax: +31(0)183 767399