What are the classifications of pneumatic ball valves?
1. Hydraulic pneumatic ball valve:
Hydropneumatic ball valves are widely used in automobile suspension systems. The principle is that when the frame and axle move reciprocally and the piston moves reciprocally in the cylinder barrel of the pneumatic ball valve, the oil in the pneumatic ball valve housing flows from the inner cavity to another cavity through some narrow pores repeatedly. At this time, the friction between the liquid and the inner wall and the internal friction of the liquid molecules will form the damping force for the vibration.
2. Inflatable pneumatic ball valve:
Inflatable pneumatic ball valve is a new type of pneumatic ball valve developed since the 1960s. Its structure and point are that a floating piston is installed at the lower part of the cylinder barrel, and a sealed gas chamber formed by the floating piston and one end of the cylinder barrel is filled with high-pressure nitrogen. The floating piston is equipped with a large section O-ring, which completely separates oil and gas. The working piston is equipped with a compression valve and an extension valve that can change the cross-sectional area of the channel according to its movement speed. When the wheels are bouncing up and down, the working piston of the pneumatic ball valve reciprocates in the oil, causing the oil pressure difference between the upper chamber and the lower chamber of the working piston, and the pressure oil pushes open the compression valve and the extension valve to move back and forth. Because the valve has a greater damping force on the pressure oil, the automobile air valve attenuates the shock.
3. Diaphragm pneumatic ball valve