Why does the air compressor keep releasing pressure

There are often users who respond to us after sales, what is the situation that the air compressor keeps releasing pressure? Today I will give you a brief introduction to the related content:

We all know that the normal operation of the unit is limited by the pressure. The reason why the pressure will be automatically released after the pressure reaches the set value of 8 kg, and the pressure will not be released until it drops to 5 kg, shows that the loading and unloading pressure range is too large. The loading and unloading time is relatively long. This situation can be adjusted according to the actual gas consumption. Enter the password to enter the factory parameters, and adjust the lower limit pressure value of the unloading pressure to 6-7 kg.

Under normal circumstances, when the screw air compressor works to the set upper limit pressure value, the pressure switch or sensor will send a signal to the computer board to close the intake valve. At this time, the unit will enter no-load or standby operation, and the purge valve will work at the same time to release the system pressure of the unit or maintain a certain pressure for operation.

air compressor

When the unit is running with no load, the intake valve is closed, but there is still a small hole above the intake valve for intake air to maintain a certain pressure, to ensure the normal circulation of the lubricating oil of the air compressor outside, and to maintain the pressure at the same level as the air compressor air. The energy consumption during load is directly proportional. The higher the maintenance pressure, the greater the no-load energy consumption. However, if the maintenance pressure is too low, it cannot ensure that there is sufficient lubricating oil circulating outside the unit, and failures such as host seizure will occur. The maintenance pressure is generally recommended to be 0.2-0.4 MPa.

Lingyu Machinery - industrial rotary screw type air compressor