Pneumatic valve is driven by means of compressed air valve. Clear only when pneumatic valve procurement specifications, category, work pressure meet the requirements of the practice, can be used to control air, water, steam, all kinds of corrosive medium, mud, oil, liquid metal and radioactive medium such as various types of fluid flow. In the current market economy environment is not perfect. Because of pneumatic valve manufacturer for the product competition, each are under the unified pneumatic valve design conception, for different innovation, formed their own enterprise standards and product personality. So when pneumatic valve procurement detailed technical requirements, coordination with manufacturer agreement, procurement contract as pneumatic valve attachment is very necessary. This valve shall generally be installed in the pipeline. Using compressed air driven actuators in combination of multiple sets of pneumatic piston movement and force to beam and the characteristics of the curve track, drive tubular spindle rotation, compressed air disks to each cylinder, changed the direction of gas in and out of position to change the direction of spindle rotation, according to the load ( ) The requirements of rotary torque required, can adjust the cylinder number combination, driving load ( ) Work. Two five-way solenoid valve which is equipped with double-acting pneumatic actuators, two is two position control: open - , there are five tunnel ventilation, 45 is one connected with gas source, two external and double-acting cylinder chamber in and out of the port connection, two with the internal chamber in and out of the port in succession, you may refer to the working principle of concrete working principle of the double-acting pneumatic actuators. Only need to use pneumatic ball valve pneumatic operation for air rotating 90 degrees of operating and small rotational torque can be closed tightly. Full equality of the valve body cavity for medium resistance is very small, straight flow channel. Generally think of ball valve is suitable for direct to do the most open and close. Ball valve itself is the main characteristics of compact structure, easy operation and maintenance, and is applicable to water, solvent, acid and gas, such as general work medium, but also is suitable for the working conditions of media, such as oxygen, hydrogen peroxide, methane and ethylene. Ball valve body can be a whole, also can be combined.
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