Average Free Air consumption of some common air tools are indicated in the table below. The air consumption is based on the commonly used working pressure of approximately 90 psi (620 kPa, 6.2 bar). Air Tool/Equipment Average Free Air Consumption (cfm) Air Bushing 20 Air Filter Cleaner 3 Air Hammer, light 4 Air Hammer, heavy 22 Air Hoist, 1000 lb […]