Electric drive valve is a valve commonly driven approach Toyama Valve Co., Ltd. of Taiwan, usually call this form of drive means driving means for the valve actuators, valve actuators characteristics are as follows: 1) open and close rapidly Guangzhou Kaiheng Valve Co., can significantly shorten the time required to open and close the valve; 2) can greatly reduce labor intensity, especially suitable for high pressure, large diameter valve; 3) suitable for installation in can not be manually operated or inaccessible location Shanghai Guanlong Valve Machinery Ltd., easy to implement remote manipulation, and mounting height unrestricted; 4) in favor of the automation of the entire system; 5) Power than air and liquid source readily available, its cable laying and maintenance than compressed air and hydraulic line is much simpler. JB / T7747-2010 needle globe valve JB / T7749-1995 cryogenic valves technical conditions JB / T8527-1997 metal sealing butterfly valve JB / T8528-1997 common seal butterfly JB / T8529-1997 flameproof valve electric device technology JB / T8531 -1997 valve manual device technology _ Tianjin Tanggu Watts Valve Co., Ltd., the Hong Kong valve (Online) _ Shenzhen valve provided by the Dongguan Science and Technology Co., Ltd., the Hong Kong valve. Valve Co., Ltd., Dongguan Ming Kong (www.gdmgfm.com) is Dongguan, butterfly leaders, over the years, the company implement the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Ming Kong valve leadership with the staff warmly welcome all inquiries negotiations to create a better valve out of Hong Kong in the future.