Catalog
Catalogue
SEARCH
    • Price:

SEARCH
Attention!
In the time of quarantine we will work as usual. Please place orders in the system, it will be prepared to pick up outside or delivered by courier.
 

 

Price / Diameter:
Select
  • Ø80 mm 10.29 € 7.72 € (-24%)
  • Ø100 mm 12.22 € 6.72 € (-45%)
  • Ø125 mm 16.49 € 9.08 € (-44%)
  • Ø160 mm 22.37 € 12.28 € (-45%)
  • Ø200 mm 29.86 € 16.43 € (-44%)
Qty.:

EU shipping 14 days, non EU 21 days

Ask a question about this item

Ask a question about this item

Accoustic air valves Silent DPN

  • for air supply or exhaust
  • special construction of the valve ensures low level of noise
  • damper adjustable air flow
  • powder coated in RAL9016 colour
Code
ØD
ØA
Hmax
DPN080
80
115
45
DPN100 100 137 45
DPN125 125 164 45
DPN160 160 212 45
DPN200 200 248 45

 

 

Parameters

Volumetric flow q (l/s or m3/h ), total pressure loss Pt (Pa), and acoustic pressure level LA (dB(A)), can be read from the figure below.

 

Acoustic pressure level, LA (dB(A))

  

Code
Frequency, Hz
125 250 500 1000 2000 4000 8000
DPN080 6 3 2 1 -4 -16 -20
DPN100 4 3 2 0 -7 -15 -30
DPN125 2 7 3 -2 -10 -20 -32
DPN160 5 7 3 -2 -10 -19 -32
DPN200 8 6 4 -3 -10 -19 -32
tolerance 3 2 2 2 2 2 3

 

Sound attenuation, dB

  

Code
Frequency, Hz
63 125 250 500 1000 2000 4000 8000
DPN080 22 19 14 11 2 3 7 8
DPN100 22 16 11 8 6 6 3 6
DPN125 20 15 9 6 4 3 3 5
DPN160 18 13 8 5 4 4 5 6
DPN200 17 11 7 6 6 5 6 6
tolerance 6 3 2 2 2 2 2 3

 

Pressure loses and accoustic pressure figure