Press the connection method (1) Threaded valve: with internal or external threads, and pipe thread connecting .. (2) Flanged valves: a valve body with a flange heating is connected with the pipe flange. (3) welding connection valve: Body with welding groove industrial valves, connections and pipe welding. (4) clamp connection valve: Body with jaws, pipe clamp connection. (5) connected to the valve sleeve: the pipes are connected to the ferrule. (6) of the clip connection valve: bolts directly to the valve and two pipes connected together in the form of wear clip. This classification not only by theory, the role of the structure divided, is the world, the most commonly used classification methods. General points valve, globe valve, throttle, instrument valves, piston valves, diaphragm valves, plug valves, ball valves, butterfly valves, check valves, pressure reducing valve, steam trap, control valve, foot valve, filter, blowdown valve. As the valve is the use of a wide range of oxygen valve, so it's role it is great. For example: In a power plant valve to control the boiler and turbine operation; in petroleum, chemical production, valve control also plays a normal operation of all production equipment and processes. In other sectors as well. Nevertheless, valves comparison with other products is often overlooked. For example: When installing the equipment, people tend to focus on the main machinery equipment, but ignored the valve. This will make the whole production efficiency is reduced or discontinued, or causing all sorts of other accidents. Therefore, the valve selection, installation, use and so must be serious and responsible work. Oxygen valve valve _ _ Guangzhou, the Hong Kong valve provided by the valve, the Hong Kong Science and Technology Co., Ltd. of Dongguan. 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!