Product Description The pneumatic fan is an exhaust fan powered by compressed air through an explosion-proof pneumatic motor. It is widely used in ships, warehouses, chemical plants, paint workshops, gas stations and other flammable and explosive locations. The fan consists of a pneumatic motor, fan blades, silencer, air delivery pipe and controller. Once connected to compressed air, it drives the blades to rotate; the speed—and therefore wind pressure and flow—is controlled