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ZAJD type electric butterfly valve switch and intelligent two, butterfly valve and actuator package DTR input control signal (4~20mADC or 1~5VDC) and single-phase power supply to control operation, has strong function, small volume, light and pleasant, reliable performance, simple matching, large flow capacity, especially suitable for medium thick, containing particle and fiber nature of the occasion. At present, regulating valve is widely used in food, environmental protection, light industry, petroleum, paper making, chemical industry, teaching and research equipment, electric power and other industries in the industrial automation control system.
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