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Insulated air diffuser DPNN160, Ø160 mm

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30.38 €    40.51 €
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EU shipping 14 days, non EU 21 days

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Insulated air diffuser DPNN160, Ø160 mm

  • for air supply
  • special construction of the valve ensures low level of noise
  • damper adjustable air flow
  • powder coated in RAL9016 colour
Code
Ød
ØD
DPNN100
100
135
DPNN125 125 165
DPNN160 160 205

 

Acoustic pressure level LA (dB (A))

Code
Average frequency, Hz
125 250 500 1000 2000 4000 8000
DPNN100 -6 -2 -3 -5 -8 -9 -15
DPNN125 0 1 -1 -5 -15 -21 -33
DPNN160 3 2 -1 -6 -15 -23 -36
tolerance
3
2
2 2 2 2
3

 

Sound attenuation, dB

Code
Average frequency, Hz
63 125 250 500 1000 2000 4000 8000
DPNN100 22 18 13 11 9 8 7 8
DPNN125 20 16 11 9 9 7 6 5
DPNN160 18 14 10 9 9 7 6 6
tolerance
6 3 2 2 2 2 2 3

 

Sound attenuation and pressure loss graph