Main specification: Model: SR50-300B Air capacity: 0.44-180m3/min Outlet Diameter: 50-300mm Pressure: 9.8-98kpa Discharge Pressure: 0.1-1.0kgf/cm2 Motor Power: 0.55-315kw SR series Roots blowers can deliver various mediums of gases, and boost gases, so to meet various industry requirements. This series blower are widely used in many kinds of industries, such as pertoleum, metallurgy, power, mining, building material, chemical, fertilizer, paper-making, port, light industry, food, environment protection, aquatic farming, city gas and medicine etc.