Selected products
KOM series
  • For round ducts
  • Ventilation accessories
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Spring-loaded backdraft damper for round ducts. The damper prevents back draft when the system is off.

KOM1 series (round)
  • For round ducts
  • Ventilation accessories
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Gravity backdraft damper for round air duct.

KOM1 series (rectangular)
  • For rectangular ducts
  • Ventilation accessories
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Gravity backdraft damper for air flow cut-off in rectangular air duct.


KR series (round)
  • For round ducts
  • Ventilation accessories
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Air damper for air flow control in round air ducts.

KR series (rectangular)
  • For rectangular ducts
  • Ventilation accessories
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Air damper for air flow control in rectangular air ducts.

KRV series (round)
  • For round ducts
  • Ventilation accessories
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Air damper for air flow cut-off in round air ducts.


KG series (round)
  • For round ducts
  • Ventilation accessories
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Gravity louvre shutter for rectangular air ducts.

KG series (rectangular)
  • For rectangular ducts
  • Ventilation accessories
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Gravity louvre shutter for air flow cut-off in rectangular air ducts.

KKV series
  • For round ducts
  • Ventilation accessories
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The KKV backdraft damper is designed for automatic shutoff of the air duct during the fan standby and reverse back flow prevention when the ventilation system is off. Designed for mounting of VKV, VKH, VKV EC, VKH EC fan series.