CLAc/CLBa - Swegon

CLAc/CLBa ------------------------------------------------------------
DESIGN
CLAc is a rectangular sound attenuator for connection to
circular ducts. The mounting height is as much as 50 mm less
than a conventional circular sound attenuator.
CLAc is manufactured as standard in galvanized steel sheet.
The sound attenuating material, CLEANALON ® -C , is a type
approved insulation material consisting of long-fibre, compressed
mineral wool. The mineral wool is covered with a
special fibre-glass cloth . CLEANALON ® -C is tested and
approved by an independent test institute with regard to
cleaning, fibre loosening, ageing properties, emissions etc.
The connection spigots are equipped with rubber seals.
Dimensions from ∅80 to ∅400 mm are available in stock for
rapid delivery.
Technical data CLAc
Figure 1. CLAc - Dimensions
FIRE CLASS FULFILLED THROUGH SAFETY DISTANCE
CLAc is approved by an independent test institute with regard
to fire classes El30/E60 and El60/E60, under the condition that
the safety distance to flammable materials and/or persons in
the emergency exit path is fulfilled.
In those cases that the safety distance is not fulfilled, CLAc
comes up to fire class E60.
Size L Static set attenuation dB as in ISO 7235:91 Safety distance in mm
mm
for fire class
63 125 250 500 1K 2K 4K 8K EI30 EI60
80 500 8 12 17 23 39 50 50 36 50 100
1000 11 20 30 41 50 50 50 44 50 100
100 500 7 11 15 23 39 50 50 33 50 100
1000 9 19 25 42 50 50 50 35 50 100
125 500 7 10 12 19 29 38 44 24 50 100
1000 12 16 19 34 50 50 50 36 50 100
160 500 6 8 9 16 22 29 30 18 50 100
1000 12 14 16 31 42 50 50 25 50 100
200 500 7 8 9 17 24 31 19 16 50 100
1000 11 11 15 31 44 50 32 22 50 100
250 500 5 6 8 11 18 25 17 22 50 100
1000 8 9 13 20 31 45 26 27 50 100
315 500 5 6 7 11 17 15 10 14 50 100
1000 7 9 13 21 31 31 17 23 50 100
400 500 2 3 5 8 11 10 9 8 50 100
1000 3 5 9 15 17 16 12 12 50 100
2
Swegon Indoor Climate Systems 2004 - Air distribution products. Rev - 2006-05
www.swegon.com