... Range Z are used for the control of globe valve, gate valve, throttle valve, water gate and etc. And SND actuators of ... DQ are used for the control of ball valve, butterfly valve, and damper etc.3, FEATURES OF ACTUATORS3.1, Non-intrusive design ... phase-rotation-corrective function3.7, Trouble-diagnostic function in operation3.8, Functions of network transmission3.9, Overheat-protection for electric ...