Skip Navigation LinksLindQST / Air diffusion calculator
Product category
Product name
Diffuser connection size
Wall type
Wall area
Swall
m2
Wall sound reduction index
Rwall
dB
Air volume
qv
Room attenuation
Dr
dB
Description
Usercode

OLR

OLR-300
  • Product information
  • Results
  • View in 3D
MISSING
Overflow unit

OLR is a rectangular overflow unit for installation directly onto a wall. OLR consists of two sound-attenuating baffles, which are mounted on either side of the wall.

OLR can be connected by means of the accessory OLRZ which is a perforated telescope wall sleeve, which ensures excellent noise reduction. The OLRZ must be ordered seperately.

  • High capacity
  • Sound-attenuating baffles
  • Horizontal or vertical installation
  • Optional perforated telescope wall sleeve
Total pressure loss
Δpt
Pa
Sound power level
LwA
dB(A)
Sound pressure level
LpA
dB(A)
Element-normalized reduction
Dn,e,w
Resulting sound reduction index
Rres
dB
  • Pressure and sound power diagram
    MISSING
    Hz 63 125 250 500 1K 2K 4K 8K
    Coct 17 6 -3 -1 -6 -19 -28 -31
    Dn,e,w - 31 39 41 42 53 - -
Logo OLR

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