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In recent years, with microelectronics technology, computer, communication network and the rapid development of the electromechanical integration technology, the structure of the electromechanical integration instead of modular structure, intelligent control technology gradually replacing pure electronic control technology, many manufacturers at home and abroad launched intelligent electric actuators, and gradually achieved rapid development.

The intelligent valve electric actuator is driven by a three-phase asynchronous motor, which decelerates through the worm gear and drives the hollow output shaft to output torque. The reducer has a hand/electric switching mechanism. When the switching handle is in the manual position, the hand wheel drives the hollow output shaft to rotate through the clutch. For electric operation, the switching mechanism will automatically fall back to the electric position, the clutch and worm gear engage, and the hollow output shaft is driven by a three-phase motor to rotate. Multi-rotary intelligent valve electric actuator is suitable for the control of globe valve, gate valve, throttle valve, sluice and so on; Partial rotary intelligent valve electric actuator is suitable for butterfly valves, ball valves and plug valves to do partial rotary valves and similar equipment. The performance indexes of this product have reached the provisions of "intelligent valve electric device", and it is one of the well-known intelligent valve electric actuators in China.

Compared with the traditional valve electric actuator, the intelligent valve electric actuator has a non-invasive design, simple and intuitive design; Accurate and reliable measurement of stroke and torque; Operation interface of the full Chinese language list; Multiple modes of control state selection; With double speed (variable speed and slow off) function; Comprehensive data recording; Self-diagnosis and self-adaptation function, stable performance; In-operation fault diagnosis function; Network transmission function; Motor overheating protection; Instantaneous reversal protection; Can realize the valve high-speed closing requirements; Protection class IP68; Remote radio control and other advantages. It is a new generation of intelligent, digital and multi-functional electric actuator developed by using the advanced ultra-large scale integrated circuit. The products are sold well all over the country and exported to Russia, Iran, Pakistan, Kazakhstan, India and other countries.

Intelligent valve electric actuator market prospects are broad, market requirements are also increasing, Tianjin Bernard automatic control equipment as research and development, manufacturing, sales of intelligent valve electric actuator enterprises, must shoulder the responsibility of development and innovation, to inject new blood into the industry.