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WORKING PRINCIPLE
The main air compressor takes suction from the atmosphere, via suction filter.
On LP piston downwards stroke, the suction valve opens while the delivery valve is closed.
On LP piston upwards stroke, the air is compressed. When the compressed air pressure overcomes the delivery valve’s spring tension, the delivery valve will open.
The air will flow through the 1st stage cooler.
On HP piston downwards stroke, the suction valve opens while the delivery valve is closed.
On HP piston upwards stroke, the air is compressed. When the compressed air pressure overcomes the delivery valve’s spring tension, the delivery valve will open.
The air will flow through the 2nd stage cooler and towards main air receiver.
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