BRF Magneto magnetic backdraught shutter has been designed to be mounted inside 125mm diameter round ventilation ducts to prevent the return of ventilated air. The product stops the ingress of external air at extractor hoods.
thyristor speed controller BS 1.8
Used in ventilation systems to switch on/off and regulate the speed of single-phase electric motors in voltage-controlled fans.
Used in ventilation systems to switch on/off and regulate the speed of single-phase electric motors in voltage-controlled fans.
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The KKB damper is designed to automatically cut off the air supply during a fan outage.
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CAR backflow prevention device
A CAR, airtight backflow prevention device, is used in ventilation systems fitted for round ventilation ducts. It prevents the so-called air backflow and protects rooms against cooling in the winter.