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Volume control
Pressure dampers
SMS
SMS
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Air volume dampers for ducts
Pressure dampers
Constant air volume dampers
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SMS
SMS
Length
200
300
400
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600
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800
Height
200
300
400
500
600
700
800
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Ceiling plates
Results
Recommended velocities between: Vmin =3 m/s Vmax =7 m/s
Installation Data
Q:
m3/h
l/s
T. Room ºC
T.Supply ºC
Dt. ºC
Select with the recommended velocity
Coanda effect
Aerodynamic data
Afree (m2)
Ak (m2)
vf (m/s)
vk (m/s)
Dpt (pa)
Sound power level in dB (A) without regulator
Lw(dB(A)) >
Lw(dB(A)) <
Lw=Sound power level in dB (A). Note: Sound value without 10dB room attenuation
f(Hz)
63
125
250
500
1000
2000
4000
8000
global
Lw(dB(A))
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