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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CSR-B EC W, CSR-B EC Zero Plus W, CSR-B EC NFC W controller
Controllers of the CSR-B series are constant pressure regulators designed for cooperation with duct and roof fans with EC motors. By continuously controlling the fan speed, they ensure constant pressure in the ventilation ducting. Based on a PI controller, CSR-B controllers have the option to set a constant fan power and programmable upper and lower fan control limits. -
Self-regulating air extract grilles Alize are intended for the extraction of air from sanitary rooms such as: kitchens, bathroom and toilet. They can be used in residential and public buildings. Grilles are mounted in ventilation systems at the ends of exhaust ducts.