Compared with the other valves, pneumatic ball valve has the following advantages: 1. Thrust bearing reduces the friction torque of the stem, the valve stem long running stable and flexible. 2. Anti-static function: between the ball valve, the valve stem and valve body is equipped with spring, in the process of the switch can be produced by electrostatic raises. 3. Because the materials such as ptfe has good self-lubricating properties, and the friction loss of the ball is small, long service life of pneumatic ball valve. Four. Small fluid resistance, pneumatic ball valve is for all categories of least resistance of fluid valve, Industrial Valves even smaller pneumatic ball valve diameter, the fluid resistance is small. 5. Stem seal reliable: due to the Industrial Valves rod rotation not only lift, the valve stem packing seal is not easy to damage, and increases with the increasing of the medium pressure sealing ability. 6. Seat sealing performance is good: use the elastic materials such as ptfe sealing ring is easy to be sealed, pneumatic ball valve sealing ability increases with the increase of the medium pressure. No. 7. Small flow resistance, full size ball valve base without resistance to flow. Eight. Simple structure, small volume, light weight. 9. The compact and reliable. It has two seal face, ball valve sealing surface material widely used in all kinds of plastic, sealed performance is good, can realize completely sealed. It is also widely used in the vacuum system. 10. Simple operation, rapid opening and closing. From open to close need to rotate 90 degrees, convenient remote control. 11. Convenient maintenance, simple structure of ball valve, sealing ring generally portable, tear open outfit change more convenient. 12 years old. When the valve is fully open or closed, steel ball and seat sealing surface and the dielectric isolation. Corrosion medium through without the valve sealing surface. At the age of 13. Its application range is very wide, from small to several millimeters in diameter, large diameter to a few meters, from high vacuum to high pressure. At the age of 14. Because the ball valves in the process of opening and closing is wiped, thus can be used in the medium containing suspended solid particles. At the age of 15. High machining accuracy and high cost, not suitable for use at high temperatures, if there is impurities in the pipeline, easily blocked by impurities, lead to valve cannot open. Cleaning method is to stop the concrete pump motor, the valve set of operation manual reversing valve, release the pressure in the accumulator. Clockwise (main pump the handwheel to the location of the smaller displacement. Then counterclockwise rotation displacement handwheel 2 laps, close the near side of the radiator to the right switch valve. After good water pipe installation, start the concrete ground pump motor, operating water reversing valve handle make its position as 'water', start the pump switch, pump starts to work, produce high pressure water cleaning parts. Nozzle cleaning the car, 32 a ball valve in the closed/closed, 32 a ball valve is open when cleaning pipeline.
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