1. The advantages of pneumatic ball valves are more suitable for medium and small diameter pipelines. Compressed air transmission is adopted. When the air source pressure is stable, the opening and closing time is about 2.5 seconds. The opening and closing is free, the cost is low, and the maintenance is convenient.
2. The disadvantage of pneumatic ball valves is that they are easily affected by air pressure fluctuations, especially in winter by the influence of water in the compressed air, or freezing in cold weather, the transmission part is frozen, the cylinder is out of control, and there is no response. How to choose electric valve and air valve







