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Shut-Off Dampers


Application Shut-Off Dampers

Shut-off dampers are for ventilation systems in which areas have to be isolated for certain operating situations.

Type AK

AK
  • Circular shut-off damper
  • Airtight shut-off
  • Manual action or electronic or pneumatic actuator


more details

circular

Δp: up to 1,500 Pa

Ø 100 – 400 mm

Casing air leakage flow rate complies with DIN EN 1751, class A
Control damper closed blade leakage complies with DIN EN 1751, class 4 (nominal size 100 and 125, class 3)

Type AKK

AKK
  • Circular plastic shut-off damper
  • Airtight shut-off
  • Manual action or electronic or pneumatic actuator


more details

circular

Δp: up to 1,500 Pa

Ø 125 – 315 mm

Casing air leakage flow rate complies with DIN EN 1751, class A
Control damper closed blade leakage complies with DIN EN 1751, class 4 or 3

Type NAK (gas tight)

  • This shut-off damper is for ventilation systems in which areas have to be isolated with a high degree of integrity (gastight) for safety reasons under certain operating situations.
  • The maximum pressure across the closed damper blades is 5,000 Pa.
  • The maximum permissible leakage acc. to KTA 3601 or DIN 25414 is 0.01 m³/h · m² at a pressure difference of 2,000 Pa.

more details

square, rectangular

W: 400 – 1,000 mm
H: 270 – 1,000 mm

Installation examples

This is how well weather-resistant louvres fit into the facade.
Shut-Off Devices

Contact

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TROX USA, Inc.

4305 Settingdown Circle
Cumming
Georgia 30028
Tel: +1-770-569-14 33

Contact and locations