Decentralised ventilation SEVi 160PP - Sound-insulating weather protection bonnet

The SEVi 160PP “Premium Plus” with high external sound insulation is one of the smallest decentralised ventilation systems with heat recovery. Its special feature is its extremely sound-reducing weather protection bonnet. This Premium Plus weather protection bonnet already achieves a standard sound level difference of 48 dB with a wall thickness of 365 mm. With a wall thickness of 480 mm, the SEVi 160PP (decentralised ventilation SEVi 160PP – sound-insulating weather protection bonnet) achieves a standard sound level difference of 50 dB. This means that you can achieve a very high level of external sound insulation even with thin walls.
The SEVi 160PP sound-insulating ventilator with WRG can be further optimised with specific configurations with regard to external sound insulation. Depending on the requirements, special sound attenuation inserts, a sound-optimised inner screen and a jacketed ceramic heat exchanger are implemented in the system. As a result, standard sound level differences (Dn,e,w) of up to 64 dB can be achieved. Here, the technical parameters of the individual product configurations change (see the technical data of the individual product configurations).
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The SEVi 160PP (decentralised ventilation SEVi 160PP – sound-insulating weather protection bonnet) consists of a fixed pipe (Ø = 160 mm) made of PPs (polypropylene) flame-retardant, for installation of the ventilation system in properties with a wide range of wall thicknesses from 260 mm. The ventilation system is fixed in the PPs pipe. It consists of an EPP (expanded polypropylene) casing. This material has a strong sound-absorbing and insulating effect.

An extremely quiet reversible high-performance fan from Fa. EBM Papst operates in the housing. This fan has been optimised for both running directions for the first time. A high-tech ceramic (specific heat capacity 877 J/kgK) is implemented as heat exchanger. The innovative and sound-insulating Premium Plus weather protection bonnet with wind protection function prevents water from entering the ventilation system. In addition, a dust filter (optional pollen and active climate filter) is inserted into the system to protect against external influences. Changing the filter in the SEVi 160PP decentralised ventilation – sound-insulating weather protection bonnet is very simple and can be carried out by anyone.