Features
The sound attenuating elbow is installed in aright-angled corner to reduce noise and turbulent flow. The elbow interior material is attached only on the sides, Its thickness should be about 10% of the breath of the duct with the length at least twice as as the duct, Sometimes, the turning vane is installed to reduce turbulent flow. In general, it works better in the medium/high frequency range, offering attenuation of up to 10dB in 500~1000Hz

Model denotation method

Absorption Material Protection Method
G: GLASS WOOL + GLASS CLOTH
P: GLASS WOOL + GLASS CLOTH + PERFORATED PLATE
F: GLASS WOOL + GLASS CLOTH + PE FILM + PERFORATED PLATE

Insertion Loss of Elbows