Anti sudden throttle supreme life, security responsibility for the day. There are coal mines in my holy, why fear gas ten million Jun. Anti outburst damper can effectively prevent reverse airflow, improving mine resilience to further strengthen security facilities management. Mainly used as a damper safety precautions when setting outburst prominent roadway expose coal seams and protruding coal seam mining operations. Anti sudden throttle damper for steel, every one has a forward and reverse throttle damper, the same contact lane installed two throttle (ie two throttle forward, two reverse throttle). Anti sudden throttle for the safety of miners played a protection umbrella miners, anti-sudden throttle can open and close the damper by human, anti-sudden throttle for easy installation, operation and flexible, safe and reliable. St. Shandong Coal Machinery Co., Ltd. adhere to the "integrity, efficient and innovative" spirit of enterprise, adhering to the "quality first" purpose, you look forward to work together for mutual benefit.