A high-pressure blower is a type of industrial fan used to move air or gas at high pressure and flow rates. These blowers are commonly used in a wide range of applications, including ventilation, pneumatic conveying, combustion, and cooling.

High-pressure blowers typically consist of an impeller, which is a rotating component that creates a flow of air or gas, and a housing or casing, which contains the impeller and directs the airflow. The impeller can be driven by an electric motor, a diesel engine, or a steam turbine.

The performance of a high-pressure blower is measured in terms of its pressure and flow rate. Pressure is the amount of force that the blower can generate to push air or gas through a system, while flow rate is the volume of air or gas that the blower can move per unit of time. High-pressure blowers can typically generate pressures up to several hundred inches of water and flow rates of several thousand cubic feet per minute.