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Duct Back Draught Shutters OKA-A

Duct Back Draught Shutters OKA-A

Round back draught shutters, that are made out of galvanized steel with aluminum blades for mounting between 2 ducts. The blades open when they are exposed to overpressure and closed with the help of stainless steel springs. That way a reverse flow is prevented from occurring after the the ventilator has stopped.

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Duct Back Draught Shutters OKA-A

  • Views: 257
  • Product Code: OKA-A
  • Availability: In Stock
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Tags: duct, back, draught, shutters, oka-a, external, louvers backdraught