What is the difference between electric regulating ventilation butterfly valve and solenoid valve in Tai'an City? 1. Replacement of diaphragm of pneumatic actuator During the use of pneumatic three-way ball valve, the diaphragm in the pneumatic diaphragm actuator will be subject to expansion and contraction, so it is prone to fatigue damage. It is suggested that rubber diaphragms of the same specification should be found during replacement. In the tightening stage, the diaphragm can be stressed evenly without causing leakage of the regulating valve or damage to the diaphragm.
、 It can be said that the use of pneumatic ball valves is a trend. Now more and more places will use pneumatic ball valves, so the problem has also come. Now there are more and more manufacturers of pneumatic ball valves. How should we choose when we choose? At present, the top ten brands of pneumatic ball valves have great influence in China. If we don't know how to choose them, we can refer to the top ten brands of pneumatic ball valves.