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DZW series multi-turn valve actuator is used to control the open and closed position of the valve,such as brake valve,globe valve,gate valve,slurry valve etc. The product has the characteristics of dust-proof properties,excellent water resistance and high precision control system.The product has the characteristics of reliable performance,convenient adjustment and high torque repetition accuracy.   They are essential actuator attachments for realizing remote control, centralized control and automatic control.