The TLS silencer is used in round ventilation ducts. As a standard, the silencers are delivered with a rubber seal. Inside they are filled with 50 mm thick mineral wool.
BP2-1-300, BP3-1-300 Switch
It is used to switch on/off and change the speed of fans which are based on multi-speed motors.
It is used to switch on/off and change the speed of fans based on multi-speed motors. The switch housing is made of plastic. It is possible to switch the fan speeds directly , as well as to switch on and control the fan together with the room lighting.
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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. -
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.