The difference between piston type, membrane type, lever type and diaphragm type!
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Just like the title! Come and clear up your blind spots, experts!
The difference between pneumatic diaphragm valves and piston-type pneumatic valves lies in the difference in pneumatic actuators. The former actuator is diaphragm type, mainly used for straight-through regulating valves, while the latter actuator is cylinder type, mainly used for ball valves, butterfly valves, etc. The former generally requires lower air source pressure and has better control performance, while the latter generally requires higher air source pressure and larger output force or torque.