Flexible pipe silencer. Robust design made of flexible aluminum pipe. Perforated inner lining with resin-bonded sound insulation packing, approx. 50 mm thick. With plug-in connectors with sealing rings on both sides, which can be pushed into the pipe or connected to the fan or pipe using a BM fastening sleeve. When calculating the system, 4 times the pipe friction resistance must be taken into account.
