Automatic backflow preventer

AVM 28

No longer available for delivery
Article number: 0093.0011
Manufacturer: MAICO
Automatic duct shutter, DN 280
AVM 28 IM0013880.PNG Automatic duct shutter, DN 280

Characteristic curve

AVM 28 - Characteristic curve Pressure losses

  1. AVM 10
  2. AVM 12
  3. AVM 15
  4. AVM 16
  5. AVM 18, AVM 20, AVM 25, AVM 28, AVM 31, AVM 35, AVM 40

Dimensioned drawing

AVM 28 - Dimensioned drawing [mm]

A: 135 mm
B: 278 mm

Technical data

AVM 28 - Technical data

Article AVM 28
Air direction Ventilation or air extraction
Installation position vertical / horizontal
Material Sheet steel, galvanised
Weight 1,4 kg
Type of shutter Airstream-operated opening/closing
Nominal size 280 mm
Packing unit 1 piece
Range C
GTIN (EAN) 4012799930112
Article number 0093.0011

Accessories of

AVM 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


AVM 28

short description

Automatic duct shutter, DN 280

Product description

  • Horizontal and vertical mounting is possible. Air flow direction for a vertical installation is from the bottom flowing upwards.
  • With 2 opposing shutter sections made of aluminium.
  • With wrap-around seal.
  • The backflow preventers are opened in the air flow and closed by spring force.

Table of contents

Wiring diagram

AVM 28 - Wiring diagram

Predecessor - successor

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