Analysis of various pneumatic ball valves?
1. When the air chamber volume is the same, the more the curvature, the smaller the stiffness of the ball valve. However, if the curvature is too large, the lateral stability of the ball valve is poor. Bag type pneumatic ball valve The effective area of the pneumatic ball valve changes greatly, and the stiffness of the ball valve is high. Therefore, the method of increasing the auxiliary air chamber is usually used to reduce the stiffness of the ball valve. When the pressure is high, increasing the volume of the auxiliary air chamber has a more obvious effect on the stiffness of the ball valve, but this effect decreases with the increase of the volume. For the bladder type pneumatic ball valve, the proper stiffness of the ball valve can be obtained by properly selecting the change rate of the effective area of the ball valve and the volume of the auxiliary air chamber. The bladder type pneumatic ball valve has a long service life due to the small change of membrane curvature during operation.
2. The effective area change rate of membrane pneumatic ball valve is smaller than that of bladder type pneumatic ball valve, so the stiffness of the ball valve can be lower without auxiliary air chamber. It controls the change rate of its effective area by changing the shape and size of the piston, so as to obtain a more ideal anti S-shaped elastic characteristic curve. However, it is difficult to achieve the bladder type pneumatic ball valve. In addition, from the perspective of the sealing mode of the ball valve, the membrane pneumatic ball valve can adopt the pressure self sealing type, which is simple in structure and low in cost. The service life of the membrane pneumatic ball valve is generally not as long as that of the valve type. At present, the membrane pneumatic ball valve is mostly used in automobiles.
3. From the structural point of view, the composite pneumatic ball valve pneumatic ball valve is a type between the first two. It combines the advantages of the two types of pneumatic ball valves mentioned above, has low ball valve stiffness, but the manufacturing process is complex.
The main products of Shanghai Dongfeng Pump Valve Factory are: pneumatic ball valve, pneumatic ball valve, metal hose, corrugated compensator, etc. If you need, please consult the 24-hour hotline of Dongfeng: 021-60344211
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The pneumatic ball valve has a special shape, which is roughly similar to the steel screw ball valve. In order to meet the needs of the market and improve the adaptability of the installation and use of pneumatic ball valves on various equipment, there are various types of high gloss pneumatic ball valves, and the size of pneumatic ball valves is also different, divided by the number of drums. Gomat pneumatic ball valve can be divided into one song (single song), two songs (hyperbola), three songs - up to 13 songs. The curvature of pneumatic ball valve ring exceeds two. What is the role of basketball? What are the benefits of this design?