Shandong Which professional production Silencer plenum chamber silencer plenum chamber [low price] find Which? Hotline: 13573487358 plenum air supply system reduces the dynamic pressure, static pressure increases, a steady stream airflow and reduce vibration necessary accessories, it will enable the air better result. The role of the plenum of 1, can be part of the dynamic pressure into static pressure so that the wind farther; 2, 3 can reduce the noise, air flow evenly distributed 4, the plenum can be used to reduce noise, and obtain a uniform static pressure the wind, reducing dynamic pressure losses. The main role of the plenum is regulated, noise reduction. The specification seems to have, in the plenum of the wind speed is not greater than 2.5m / s, according to the wind, the wind speed can determine the volume of the plenum of the static tank is usually custom-made. Width direction not small 500mm. Plenum generally slightly smaller than the size of the indoor unit.