SHX-DFL type large air volume chip muffler is mainly used in large and medium-sized ventilation projects such as subways, highway tunnels, underground garages and power stations. 　　 SHX-DFL type large air volume chip muffler technical indicators: sound attenuation ≥ 18dB (A), resistance coefficient ≤ 1.02, applicable air volume is 4m3/s-112m3/s 　 　SHX-DFL type high wind volume chip muffler can be combined according to 5 kinds of modules: 1000, 1250, 1500, 1750, 2000.         The large air volume chip muffler is the company's first environmentally friendly noise reduction product in China. The product has good performance and is convenient for maintenance. This product was later applied in the subway construction of many cities in China, creating considerable economic benefits for the company.