It can speed up the opening and shutting of pneumatic ball valves. Mounted between the cylinder as well as solenoid valve so the fuel inside the cylinder would not pass through the solenoid valve and is quickly discharged. บทความเครื่องจักรกลการเกษตรและอะไหล่ The spring/diaphragm pneumatic actuator is made up of a diaphragm and https://jeffreyr94y4.tinyblogging.com/The-Ultimate-Guide-To--57013875