Minimum pressure valve of air compressor

The minimum pressure valve of an air compressor consists of a valve body, a valve core, an adjusting nut, a spring, and a sealing element.

The function of the minimum pressure valve is to buffer. When the air compressor is loaded, we assume that it is discharged into the atmosphere. The large pressure difference between the internal separation of the machine and the separation after separation will all be added to the separator, causing damage to the separator core .

The oil lubrication of the machine is carried out by the pressure difference of the air compressor itself. There is no additional oil pump assistance. When the machine is at no load, a certain pressure is still required to maintain the oil circulation, so the intake valve is relatively closed, and the minimum pressure valve prevents pressure leakage , So as to ensure lubricating oil circulation. The minimum pressure valve is mainly used to establish the internal pressure of the unit, promote the circulation of lubricating oil, and meet the working pressure of the relief valve. In addition, it acts as a one-way valve to prevent the compressed air in the air tank from flowing back to the air compressor when the unit is unloaded.

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