What is the four-circuit intake pressure?

[DelLena]

The four-circuit intake pressure is 0.67 to 0.70 MPa. Working principle of four-circuit system: It divides the dried gas into four circuits to meet the needs of different vehicle systems, including service brake system, parking brake system, air suspension system, door control system, etc. It also ensures that when one circuit fails, other circuits can work normally and can appropriately supplement the air pressure of the failed circuit. Main functions of four-circuit protection valve: It divides the entire vehicle's air circuit into four interconnected but independent circuits. When any circuit fails, it does not affect the normal operation and inflation of other circuits. Under normal circumstances, the four-circuit protection valve is essentially a five-way connector, and only plays a protective role when a circuit breaks or leaks.