Iris balancing damper Occasional exhaust fan

Iris balancing damper

Occasional exhaust fan

The Iris damper finely balances a circular ducting system, while ensuring a very low leak rate (class C airtight performance).
Download CAD Library file
Iris balancing damper
The Iris damper features a diaphragm for precise adjustment of airflow in a circular ducting system. This adjustment is made using a handle which operates a hexagonal nut. Lip seals at each end enable a ducting connection with a low leak rate.
Iris balancing damper

The + products

  • precise airflow control.
  • class C airtight performance as per EN 1751

The Iris diaphragm is opened and closed using a handle which operates a hexagonal nut.

  • airflow setting tolerance +/-10%,
  • airflow / pressure measurement tap integrated (Ø 6 mm),
  • class C product airtight performance as per EN 1751,
  • temperature range: -20°C / +80°C.
  • in circular ducts,
  • the IRIS damper must be installed in accordance with the required distances to reduce deviation of airflow to a minimum,
  • the required distances to observe are:
    • before bends: 1xD,
    • after bends: 1xD,
    • before T-pieces: 2xD,
    • after T-pieces: 2xD,
    • before diffusers: the 2xD.
Insulation material
Iris balancing damper
References A (mm) H (mm) L (mm) Ø (mm) Weight (kg)
11055090 - IRIS DAMPER D100

30

32

115

100

0,5

11055091 - IRIS DAMPER D125

30

32

115

125

0,7

11055092 - IRIS DAMPER D160

30

32

115

160

0,9

11055093 - IRIS DAMPER D200

30

32

120

200

1,4

11055094 - IRIS DAMPER D250

40

32

135

250

2,1

11055095 - IRIS DAMPER D315

40

32

140

315

3,5

11055096 - IRIS DAMPER D400

55

32

150

400

6,4

11055097 - IRIS DAMPER D500

52

32

150

500

9,6

11055098 - IRIS DAMPER D630

60

32

160

630

15,6

Pressure range (Pa)

10-500

Airtightness class

C

Products and accessories references

  • IRIS DAMPER D100
    IRIS DAMPER D100
    11055090
    111,00 (without VAT)
  • IRIS DAMPER D125
    IRIS DAMPER D125
    11055091
    119,00 (without VAT)
  • IRIS DAMPER D160
    IRIS DAMPER D160
    11055092
    125,00 (without VAT)
  • IRIS DAMPER D200
    IRIS DAMPER D200
    11055093
    162,00 (without VAT)
  • IRIS DAMPER D250
    IRIS DAMPER D250
    11055094
    214,00 (without VAT)
  • IRIS DAMPER D315
    IRIS DAMPER D315
    11055095
    270,00 (without VAT)
  • IRIS DAMPER D400
    IRIS DAMPER D400
    11055096
    478,00 (without VAT)
  • IRIS DAMPER D500
    IRIS DAMPER D500
    11055097
    961,00 (without VAT)
  • IRIS DAMPER D630
    IRIS DAMPER D630
    11055098
    1384,00 (without VAT)

1 software