Control valve consists of two major assemblies components: body assembly and actuator assembly (or actuator systems), is divided into four series: single-seat series control valves, control valves seater series, sets cylinder series control valves and self-series control valve.
2013年4月10日星期三
The pneumatic ball of principle Detailed
Pneumatic ball plug valves evolved. It has the same 90 degrees rotation action, the difference is that the cock body is a sphere, a circular through-hole or channel through its axis. Sphere and the ratio of openings should be so, that when the ball is rotated 90 degrees in the import and export of office should all rendered sphere, thereby cutting off the flow. The valve can be installed anywhere in the pipeline.Gas Heater Control Valve
Pneumatic ball valves just use the pneumatic actuator driven valve body for 90 degrees of rotation, can realize the function of truncated and opened for media traffic. And only need a small torque can be closed tightly. Complete equality of the body cavity of the media to provide a little resistance, and the straight-through flow channel. Usually considered the most suitable valve opening and closing done directly, but recent developments have sent the ball valve is designed so that it has a throttle and control the flow purposes. The main features of valve is its own compact, easy operation and maintenance, suitable for general working medium of water, solvents, acids, and natural gas, but also for the poor working conditions of media, such as oxygen, hydrogen peroxide, methane and ethylene. Ball valve can be a whole, it can be modular.magnet valve
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