Common Pneumatic Clutch, Heavy Duty Air Clutch for Oilfield Drilling Drawworks Winch Power Transmission Description: LT500-125 Air Clutch belongs to common pneumatic clutch,the friction plate is fixed on pneumatic tires directly,it transmit torque by tires.the common pneumatic has simple structure.low manufacturing and installation technical requirements,but the volume of the pneumatic tire is larger,need to inflate and deflate for a long time,so it is easy to slip. Common