Rusty Water In Air Compressor Tank

Not a whole lot but it the color that worries me.

Rusty water in air compressor tank.

In general this shouldn t pose a problem but over time it can cause rust to develop inside the tank. Is it normal to. 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. 01 01 2013 10 10 pm 7.

3 tips for preventing rust in your air compressor tank. 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. As the pressure increases water vapor condenses back into a liquid. 25 january 2017 many air compressors have tanks that have to be filled with water while the machine is in use.

I keep a bucket in the garage that i drop rusty. Pressurized air is not able to hold as much water. It just ran a lot. It works quit well and it is reusable.

An air compressor works by squeezing air into a smaller volume under high pressure. Evapo rust only attacks rust so it is safe to use. I seen a 75 years old air compressor tank rust thru pin holes around the mounting feet where it was welded. You would need to fill the tank and leave it over night then rinse it out and dry it.