Pneumatic inc. Is an iso 9001:2000 company and distinguished manufacturers and exporters of pneumatic industrial clutches and brakes. Pneumatic inc. Offers pneumatic drum clutches available with pneuflex torsional resilient principle made possible by the transmission of the power through sidewalls of the flexible rubber and cord actuating tube. The pneuflex units are used as both clutches and brakes in general power transmission applications on all types of machinery. The key features of this pneumatic drum clutches are: