ZG型阻性(xing)管(guan)式消聲器一般(ban)安裝(zhuang)在風機進堯出風口,用(yong)于降低(di)風機運(yun)行時的噪(zao)聲。消聲器(qi)為阻性消聲器(qi),分為圓形和(he)方(fang)形兩種(zhong),內壁(bi)用(yong)鍍(du)鋅(xin)穿(chuan)孔板(ban)制作,夾層填超細玻璃(li)棉(mian)作吸(xi)(xi)聲材料,復面層為玻璃(li)絲布,鍍(du)鋅(xin)穿(chuan)孔板(ban)做成阻性吸(xi)(xi)聲片,該產品氣流阻損少,吸(xi)(xi)聲效果好(hao),當方(fang)形消聲器(qi)截面≥630×630mm時,適當加阻性吸(xi)(xi)聲片。