Low Outlet Pressure

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Here’s the thing. If you have low outlet pressure in your air compressor, and you have tank pressure, there’s likely a compressed air transmission problem!

Let’s look at what’s in the air  pathway between the compressor tank to the discharge (outlet) coupler into which you plug your air line.

You have the compressor air tank. Is it full of air? One of the two air gauges on your compressor displays the tank pressure. Is the tank air pressure displaying a tank pressure? Is that tank pressure the typical cut out pressure setting of your air compressor?

If your air tank gauge is not displaying a pressure, or very low pressure, then that would be the logical reason why your air compressor has low outlet pressure.

Kobalt 1.5 HP air compressor - Photo: lowes.com
The tank air gauge is on the left. The regulator air gauge is on the right on this Kobalt air compressor.

The other air gauge on your compressor displays the setting on your air regulator.

The air regulator controls the flow – and thereby – the pressure of compressed air flowing downstream to your air compressor.

More to come… please check back!

By Ashley Pearce

As a passionate manufacturing and mechanical engineer, I've had my fair share of run ins with air compressors and compressed air systems. With over a decade of experience in the industry, I have both a fresh perspective and time-served hands and mind to help you with your compressor problems (along with our able community!)

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