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Atlas Copco introduced its underground ventilation system, SwedVent, at MINExpo in Las Vegas, September 24-26. This introduction follows the acquisition of the SwedVent product line and other underground products from GIA Industri AB in the first quarter of the year.

The ventilation system features high pressure fans delivering air along extensive lengths of tunneling, with a capacity of 2.5 to 175 cubic meters per second (88 to 6,180 cubic feet per second.) SwedVent also includes flexible ducting and control systems.

For high efficient noise reduction, the fans are equipped with silencers that are manufactured with mineral wool as absorbing material and are have a center core that also reduces the high frequency sound.

System design is an important part of the overall package, taking into account system pressure, total leakage, motor load, airflow and other safety considerations and energy consumption.