Manufacturer: Shanghai Zhou Cheng Valve Co., Ltd. 
 Product Name: ZAJW electric control valve 
 Product Description: Shanghai Zhou Cheng ZAJW electrically adjustable electric adjustable butterfly valve ZAJW by the DKJ rotary electric actuator and butterfly valve, which together with the power unit to the instrument used in conjunction. Has a simple structure, large-caliber, light weight, easy operation. Widely used in metallurgy, power station, petroleum, chemical and other departments. Electric adjustable butterfly valve has a simple structure, easy operation, small flow resistance, rated flow coefficient, easy to manufacture large diameter. Can be used for high-volume, low dropout occasions, can also be used Nongzhuo paste and suspended particulate matter of media regulation.