- Miami, Florida, United States
- May 24th
Pneumatic Concrete Vibrator Cormac pneumatic air needle concrete vibrator a built-in pneumatically driven motor which has only two moving parts, the vane and rotor. Compressed air is supplied to the vibrator through the air valve and inner hose. Air flow into the rotor, passes through the passage ways in the vane, back through the "air gap" on the rotor and outer holes in the rear flange.