Rusty Water In Air Compressor Tank

I keep a bucket in the garage that i drop rusty.

Rusty water in air compressor tank.

The bottom is a bit thicker rust but the reddish stain where water sat on the bottom was pretty small so they must have drained it regularly in this florida humidity. 25 january 2017 many air compressors have tanks that have to be filled with water while the machine is in use. 3 tips for preventing rust in your air compressor tank. When a compressor draws in air the air is compressed to about 12 times normal atmospheric pressure.

Is it normal to. It just ran a lot. Not knowing the last time or how often the tank was drainind i drained it out the other day and a rust color like slude water came out. As the pressure increases water vapor condenses back into a liquid.

Just a guess here as i have never tried it on a compressor tank but i use evapo rust to remove rust from my tools. It works quit well and it is reusable. You would need to fill the tank and leave it over night then rinse it out and dry it. In general this shouldn t pose a problem but over time it can cause rust to develop inside the tank.

I seen a 75 years old air compressor tank rust thru pin holes around the mounting feet where it was welded. 01 01 2013 10 10 pm 7. Evapo rust only attacks rust so it is safe to use. Not a whole lot but it the color that worries me.