Silencer CW-S 420 990323504

Noise reduction in ventilation systems

The Zehnder CW-S 420 silencer is a component of the ComfoWell system, designed to effectively dampen noise in ventilation ducts. Its construction minimizes noise generated by the operation of devices, ensuring acoustic comfort in rooms. The product is particularly useful in residential buildings, offices and commercial spaces where noise reduction is key.

The silencer is made of Sendzimir galvanized steel, which guarantees its durability and corrosion resistance. Compact dimensions (length 500 mm, width 420 mm, height 230 mm) allow for easy installation even in limited spaces. Thanks to a special design with a high-performance damping vane, it achieves high noise reduction parameters at different frequencies – from 3 dB at 63 Hz to 14.4 dB at 2000 Hz. This translates into a noticeable improvement in the comfort of using the ventilation system.

Application and installation:

The CW-S 420 silencer can be used both independently and in combination with other elements of the ComfoWell system. A flap with a clamping strip allows for a tight connection with the remaining components of the ventilation ducts. The inspection opening facilitates cleaning and possible adjustment of the internal elements of the silencer. Wall or ceiling mounting is possible using appropriate mounting angles (available separately).

Why choose the CW-S 420 silencer?

• High damping efficiency: Provides noise reduction at different frequencies, improving acoustic comfort in rooms.
• Durable construction: Made of Sendzimir galvanized steel, resistant to corrosion and mechanical damage.
• Easy installation and maintenance: Tight connections thanks to the clamping strip and the inspection opening facilitate installation and cleaning.
• Versatility: Can be used individually or in combination with other elements of the ComfoWell system.
• Temperature resistance: Designed to operate with a medium temperature of up to 80°C.
• Minimal pressure loss: The special design ensures effective damping while maintaining optimal airflow.