ZG型阻(zu)性(xing)管(guan)式消(xiao)(xiao)聲(sheng)(sheng)器(qi)一(yi)般安裝在風機進堯出風口，用于降(jiang)低風機運行時的噪聲(sheng)(sheng)。消(xiao)(xiao)聲(sheng)(sheng)器(qi)為(wei)阻(zu)性(xing)消(xiao)(xiao)聲(sheng)(sheng)器(qi)，分為(wei)圓(yuan)形(xing)和方形(xing)兩種，內壁用鍍鋅穿(chuan)孔板制(zhi)作，夾層填(tian)超細玻璃棉(mian)作吸聲(sheng)(sheng)材料，復面(mian)(mian)層為(wei)玻璃絲布，鍍鋅穿(chuan)孔板做成(cheng)阻(zu)性(xing)吸聲(sheng)(sheng)片，該產品(pin)氣流阻(zu)損少，吸聲(sheng)(sheng)效果好，當方形(xing)消(xiao)(xiao)聲(sheng)(sheng)器(qi)截面(mian)(mian)≥630×630mm時，適(shi)當加阻(zu)性(xing)吸聲(sheng)(sheng)片。