AHE semi rotary actuators provide torques for a wide range of industrial applications around the world - from transportation, cargo handling and automation to food processing and medical equipment. HVA drives are compact, durable and easy to maintain. Our vane-style actuators operate with hydraulic pressure applied to the shaft-mounted vanes to produce higher torque than pneumatic applications. In both types, a closed chamber is created on each side of the vane. When a chamber is pressurized with hydraulic or pneumatic pressure, the shaft rotates in the appropriate direction

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