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  • Ø100 mm 36.59 € 20.12 € (-45%)
  • Ø125 mm 45.87 € 25.23 € (-45%)
  • Ø160 mm 61.36 € 33.75 € (-45%)
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Accoustic air valves Silent DPNN

  • for air supply
  • with sealing gasket
  • special construction of the valve ensures low level of noise
  • damper adjustable air flow
  • with additional damper possible to adjust flow direction
  • powder coated in RAL9016 colour

Brand: ESEM
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