How is the air leakage of Ou Man seat airbag control valve?

Maybe the airbag valve is not closed properly, or the pipeline is bent.

You can check the valve opening and close it in time. The moving force on the plunger seat is greater than the pre-tightening force of the valve return spring, which makes the valve body.

Generally, the elastic adjustment of the airbag seat of freight cars basically has designated buttons, which need to be adjusted by buttons, and most of these buttons are located on the left side of the seat.