◆材质：镀锌钢板

◆规格尺寸：W*H配合风管尺寸

◆特性：

1.消声腔内壁填塞离心玻璃棉，外覆玻璃布及Ø4mm孔径多孔板，导风片厚度100mm。

2.消声量：18.5db（A）（有效长度1米时）。

3.阻力损失：20Pa（风速6m/S）。

4.当W<250时不装导风片。

5.C尺寸按国标或根据用户需要。

◆Material: galvanized steel

◆Size: W*H with duct size

◆Characteristic:

1. The inner wall of the muffler cavity is filled with centrifugal glass wool, covered with glass cloth and Ø4mm aperture porous plate, and the thickness of the air guide piece is 100mm.

2. Sound attenuation: 18.5db (A) (effective length 1 meter).

3. Resistance loss: 20Pa (wind speed 6m/S).

4. When W<250, do not install the wind deflector.

5. C size according to national standard or according to user needs.