... 140MPa, 175MPaL.PL:1~25MPa MediaCompressed ai/NitrogenrPressure control Accuracy±1%Pressure test Accuracy±0.5% F. ... differential pressure judgment method with computer measure and control.Main characteristics: Efficient air booster pump as the ... advanced pneumatic pilot control loop, reasonable Layout, distributed automatic control system, mature test process, professional test software, and first class ...