The BRF 125 airtight backflow prevention damper is installed inside the ventilation duct. It effectively prevents undesirable backflow of air.
thyristor speed controller BS 1.5
Used in ventilation systems to switch on/off and regulate the speed of single-phase electric motors of voltage-controlled fans.
Used in ventilation systems to switch on/off and regulate the speed of single-phase electric motors of voltage-controlled fans.
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TLE flexible acoustic silencers
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Rotary chimney cowl that uses wind power to support the chimney draught. Equipped with a low-power brushless motor for its effective stabilisation. Dedicated to single and multi-family dwellings.