Air outlet sound absorber for roof fans

SDA IM0017473.PNG Air outlet sound absorber for roof fans

Below you can see a direct comparison of the products you have selected. Differences between the products are highlighted in blue.

ArticleSDA 31SDA 45
  • On the notes
  • On the notes
Product type Exhaust air silencer Exhaust air silencer
Article number: 0092.0388 0092.0391
Loss of pressure5 Pa5 Pa
Installation siteRoofRoof
Housing materialSheet steel, galvanisedSheet steel, galvanised
Weight38,5 kg74 kg
Suitable for nominal size315 mm450 mm
Width720 mm980 mm
Height1.047 mm1.363 mm
Depth720 mm980 mm
Ambient temperature100 °C100 °C
Insertion loss at 125 kHz8 dB5 dB
Insertion loss at 250 kHz2 dB5 dB
Insertion loss at 500 kHz12 dB12 dB
Insertion loss at 1 kHz15 dB14 dB
Insertion loss at 2 kHz13 dB13 dB
Insertion loss at 4 kHz17 dB14 dB
Insertion loss at 8 kHz16 dB17 dB
Total insertion loss9 dB10 dB
Packing unit1 piece1 piece
GTIN (EAN)40127999238864012799923916

* Blue markings show the differences between the products.

Product comparison
The wish list option allows you to make a note of all the products you are interested in. You can change your wish list as often as you want to. You can change the quantity and item position of the products, go back to the product page, download product data sheets, delete items and mark products as optional. You can save your wish list to your computer and then call it up again at a later time to make more changes, if required. Using the list, you can then download the tender text for all the products you have saved to the list, create an enquiry or compare products.
Assort Product type Name Art. No. PDF Range List price* (EUR) Quantity Optional Total gross amount (EUR)
There are no products on the list
Save wish list on local computer
Load wish list from local computer


Here you can search for products, documents, contents pages etc.

Cookies are used on this website, which are necessary for technical reasons, so that we can present users our offers. A cookie that saves your current privacy settings is also used (selection cookie). With the exception of the above-mentioned selection cookie, technically non-essential cookies and tracking mechanisms that enable us to provide you with an optimal user experience as well as customised offers (marketing cookies and tracking mechanisms) are only used if you have previously approved their use by clicking ACCEPT. Details and options for changing your settings at a later date can be found in our cookie settings.

ACCEPT ALL COOKIES Continue with necessary cookies

Acknowledgements | Data protection