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Air motors to withstand caustic acids

24 September 2010

Air motors from Huco Dynatork combine precise positioning and efficient operation with the ability to withstand the rigours of even 100% caustic washdown environments. As standard, the motors are able to operate totally immersed in water, so even high pressure wash downs are not a problem. And with acetal housings also available, the motors are able to withstand most caustic acids and chlorinated sanitisers used in the food industry.

Air motors to withstand caustic acids
Air motors to withstand caustic acids

Hygienically sensitive applications are increasingly turning to air motors for just these reasons, but with the operating principle of the Huco Dynatork products, switching from electric power to air operation doesn’t mean any performance compromise. The free-floating piston design of the Huco Dynatork air motor results in a product which consumes up to 80% less air than a conventional vane motor, and provides start/stop performance characteristics similar to those of a stepper motor, excelling in constant start/stop applications under load.

In operation, air up to 100psi is supplied to each of three pistons in turn via an integral rotary valve. The free-floating pistons transmit torque on start-up that can be adjusted via a pressure regulator. The result is high torque at variable low speed, combined with very low noise.

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