Air Compressor Spare Parts Atlas Copco Unloader C190 OEM 1623079480 Unloader Valve Assembly

The air compressor unloading valve is a critical component in the air compressor system, designed to control air intake volume and enable automatic switching between loading and unloading modes. Its core function is to adjust the intake valve opening to match fluctuations in air consumption, preventing system pressure overload and safeguarding equipment integrity. Core Functions:

Dynamic Air Intake Regulation: When air demand decreases, the unloading valve reduces the intake valve opening via the control system, thereby decreasing compressed air production. When demand increases, it widens the opening to boost supply, maintaining supply-demand equilibrium.

Prevents Pressure Overload: Upon reaching the set pressure value, the valve automatically opens to vent excess compressed air, averting pipeline or equipment damage from overpressure.

Ensures Equipment Safety: During compressor shutdown, the valve rapidly releases system pressure to prevent lubricant backflow or rotor reversal, thereby extending equipment lifespan.

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