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Machine Design

Electric-Valve Actuators

The Limitorque Actuation Systems L75 Series of electric-valve actuators provides remote-control actuation of quarterturnvalves and other rotary devices, including on/off and modulating rotaryvalve applications.

They target petrochemical, process-control, industrial, and pharmaceutical applications, among others. The lightweight and compact units feature an ac-reversing or a dc motor and produce torques to 3,000 lb-in. Options include a feedback potentiometer, position indicator board, and Modbus, Profibus, and DeviceNet digital-communication protocols. A baked polyester finish is standard. Special coatings are available.

Flowserve Corp., 5215 N. O'Connor Blvd., Suite 2300, Irving, TX 75039, (972) 443-6500,

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