Exhaust air silencer

SDA 25

No longer available for delivery
Article number: 0092.0387
Manufacturer: MAICO
Exhaust air silencer for ERD 25 and DRD 25 roof fans
SDA 25 IM0009961.PNG Exhaust air silencer for ERD 25 and DRD 25 roof fans

Characteristic curve

Dimensioned drawing

SDA 25 - Dimensioned drawing [mm]

  • SDA 25 IM0001100.PNG Exhaust air silencer for ERD 25 and DRD 25 roof fans
A: 614 mm
B: 546 mm
C: 864 mm
D: 572 mm

Technical data

SDA 25 - Technical data

Article SDA 25
Loss of pressure 20 Pa
Installation site Roof
Housing material Sheet steel, galvanised
Weight 26 kg
Suitable for nominal size 250 mm
Ambient temperature 100 °C
Insertion loss at 125 kHz 4 dB
Insertion loss at 250 kHz 2 dB
Insertion loss at 500 kHz 9 dB
Insertion loss at 1 kHz 12 dB
Insertion loss at 2 kHz 12 dB
Insertion loss at 4 kHz 11 dB
Insertion loss at 8 kHz 1 dB
Total insertion loss 9 dB
Packing unit 1 piece
Range C
GTIN (EAN) 4012799923879
Article number 0092.0387

Accessories of

SDA 25 - Accessories of

is a general accessory of

Product typeNameArt. No.Price*(EUR)Action
Centrifugal roof fanERD, DRD - DN 250---

Product description


SDA 25

short description

Exhaust air silencer for ERD 25 and DRD 25 roof fans

Product description

  • Sound absorber for pressure side sound insulation of ERD and DRD roof fans.
  • With silencing elements made of water repellent and non-flammable material.
  • Easy installation - retrofit installation is also possible.

Table of contents

Wiring diagram

SDA 25 - Wiring diagram

Predecessor - successor

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