阻性折板式消聲(sheng)(sheng)(sheng)器(qi)是在阻性片(pian)(pian)式消聲(sheng)(sheng)(sheng)器(qi)基礎上(shang)的一種改型，內(nei)部消聲(sheng)(sheng)(sheng)片(pian)(pian)為(wei)折線(xian)形，折板式消聲(sheng)(sheng)(sheng)器(qi)消聲(sheng)(sheng)(sheng)性能以(yi)中高頻為(wei)主，消聲(sheng)(sheng)(sheng)量(liang)及壓力損失大于（22～25dB(A)/m，40Pa/m）片(pian)(pian)式消聲(sheng)(sheng)(sheng)器(qi)，適用(yong)于工業與民用(yong)建筑中通風(feng)與空調系統消聲(sheng)(sheng)(sheng)。