How to detect the pneumatic valve performance

pneumatic valve leakage is the main index, there is water, through the observation of bubble size and leak location, performance testing should be reference standard of this kind of pneumatic valves, and the corresponding equipment, such as JB/T - Ordinary pneumatic valve electric device technical conditions, GB/T - General pneumatic valve pressure test, etc.
performance testing should be reference standard of this kind of pneumatic valves, and the corresponding equipment, such as JB/T - Ordinary pneumatic valve electric device technical conditions, GB/T - General pneumatic valve pressure test, etc. , if there is no standard can also be reference types about, pneumatic valve leakage is the main index, there is water, through the observation of bubble size and leak location, often used in the factory inspection in production. Have checked, the size of the leak in pressure or flow rate, for type test in laboratory. The thrust index, the second is by electric or pneumatic device with a sensor to drive test. Through repeated action test the durability of pneumatic valves, overpressure ability is more important indicators. And if needed in the design of pressure loss, corrosion resistance, etc. Specified in the standard have different pneumatic valve pressure, differential pressure level, according to do it.