Tubular sound absorber

RSR 28

Article number: 0092.0318
Manufacturer: MAICO
Tubular sound absorber with 25 mm sound absorbing cover, length: 1,000 mm, DN 280
Application examples: Showroom, Restaurant, Theatre, Production site, Industrial building
RSR 28 IM0009716.PNG Tubular sound absorber with 25 mm sound absorbing cover, length: 1,000 mm, DN 280

Characteristic curve

RSR 28 - Characteristic curve Pressure losses

  1. Pressure loss in Pa/m sound absorber
  2. Duct diameter
  3. Velocity of flow

Dimensioned drawing

RSR 28 - Dimensioned drawing [mm]

A: 280 mm
B: 355 mm
C: 1.170 mm
D: 279,5 mm
E: 362,5 mm

Technical data

RSR 28 - Technical data

Article RSR 28
Model 25 mm sound absorbing cover
Material Aluminium
Weight 3,6 kg
Nominal size 280 mm
Width 362,5 mm
Height 362,5 mm
Depth 1.170 mm
Insertion loss at 63 kHz 1 dB
Insertion loss at 125 kHz 2 dB
Insertion loss at 250 kHz 4 dB
Insertion loss at 500 kHz 9 dB
Insertion loss at 1 kHz 18 dB
Insertion loss at 2 kHz 19 dB
Insertion loss at 4 kHz 9 dB
Insertion loss at 8 kHz 9 dB
Sound insulation yes
Packing unit 1 piece
Range C
GTIN (EAN) 4012799923183
Article number 0092.0318

Accessories of

RSR 28 - Accessories of

is a general accessory of

Product type Name Art. No. Price*(EUR) Action
Semi-centrifugal duct fan ERM 28 No longer available for delivery 0080.0206 on request
  • On the notes

Product description


RSR 28

short description

Tubular sound absorber with 25 mm sound absorbing cover, length: 1,000 mm, DN 280

Product description

  • Tubular sound absorber for ventilation systems.
  • With sound absorbing cover made from fibre glass bound with artificial resin.
  • Non-combustible in accordance with DIN 4102 class A1 (building material classification).
  • Insertion loss measured in accordance with DIN 45646.
  • RSR...: With 25 mm thick sound absorbing cover.
  • RSR.../50: With 50 mm thick sound absorbing cover.

Table of contents

Wiring diagram

RSR 28 - 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.

Our website uses cookies in order to provide you an optimal service. OK

Acknowledgements Data protection