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扬州2T-20 (copper)

2021-06-05 15:24:56
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扬州2T-20 (copper)
Detailed introduction:

网络优化资料:

The action of the regulator is unstable. The failure phenomena and reasons are as follows:


The pressure of the air source is unstable;


②The compressor capacity is too small;


2 The pressure reducing valve fails.


The signal pressure is unstable. ③Improper control of the system time constant (T=RC); ②The output of the regulator is unstable;


The air source pressure is stable and the signal pressure is also stable, but the action of the 24v solenoid valve regulator is still unstable.


②The ball valve of the amplifier in the positioner is not tightly closed due to visceral wear, and when the air consumption is particularly large, it will produce an output shock;


Second, the nozzle baffle of the amplifier in the positioner is not parallel, and the baffle cannot cover the nozzle;


③ Leakage of gas pipeline and transmission line


4. The rigidity of the actuator is too small;


When the valve stem moves, the frictional resistance is large, and the contact part is blocked.


Adjust the vibration of the valve. The phenomena and reasons for the failure of solenoid valve prices are as follows:


The adjuster will vibrate at any opening.


One is the unstable support;


There is a source of vibration nearby;


③The valve core and casing are severely worn.


The adjuster will vibrate when approaching the fully closed position. ②The flow direction of the medium in the single-seat valve is opposite to the closing direction, and a large flow regulating valve can be used, and a small flow regulating valve is mostly used.


2T-20 (copper)

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