Stainless steel electric valve simple description, it is accompanied by electric valve actuators, because the workers themselves, largely to save the human resources and time, which is stainless steel electric ball by the majority of users favorite causes, Shanghai Guanlong Valve Machinery Co. The company, along with the stainless steel electric ball valves continue to highlight the features and use, valves, stainless steel electric ball that people loved growing. The main difference: 1. dark bar gate valve flange to enhance screw rotation only up and down without moving, exposed only one pole, Guangzhou Kaiheng Valve Co., Ltd., and its nut is fixed to the gate, by the rotation of the screw to raise gate, no visible door frame; rising stem gate valve flange to enhance screw is exposed, the nut against the hand wheel and is fixed (non-axial rotation does not move), to enhance the gate by turning the screw, Axial displacement of the screw and the shutter only relative rotation without relative, Shanghai and Shanghai Valve Manufacturing Co., appearance of a door-shaped bracket. 2 dark bar valve screw is invisible, and the next shot is able to see the screw. 3. The dark bar valve stem when the switch is connected with the steering wheel and relatively immobile, and it is through the stem at a fixed point of rotation to drive the valve lifts up and down to complete the opening and closing of the gate. Rising stem valve is used to raise or lower the valve stem and the steering wheel through a threaded drive. Ningbo Ai Ke Valve Co., Ltd., the Hong Kong _ _ valve valve valve provided by the Hong Kong Science and Technology Co., Ltd., Dongguan Ming. Valve Co., Ltd., Dongguan Ming Kong (www.gdmgfm.com) strong, credible, butterfly and other industries in Dongguan, Guangdong has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead valve and you work out of Hong Kong into the brilliant, for a better future!