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air compressor tank drain

M

maxwell99

Well-known Member
a little like, shutting the gate after the cows get out.

but if you have not drained your air tank in a while, you might want to think about it,
would not want the water to build up and bust your tank, or rust out the bottom

I checked mine this morning, it only had a little moisture inside.

but then I drain it every few months.
 
That would be a useful attachment if you have a sizeable or nearly new compressor outfit. I didn't know that they made anything like it. But that's a little pricey for my old early 70s Craftsman 3hp. 20 gallon tank unit. LOL
Like maxwell said,I just try to remember to drain mine every few days. Actually, the Craftsman has been sitting in a corner for about ten years awaiting repairs, but I left the drain valve open.
Been getting by with a little HF POS for inflating tires and blowing parts dry.
 
I have an 80 gal 5 hp compressor that is shut off when not in use. I drain it when I shut it off every time it is used. Pretty amazing how much water it makes.
 
I leave the drain valve cracked open a little at all times, this time of year it'll be frozen though. compressor has a 5hp 600v motor on it, it's a 2 stage ??cfm that sits in a shed unheated beside the shop. Many times the hissing air has reminded me to go back in the shop and turn it off, when i'm leaving for the night.
 
Used to do repair on compressors, etc. One guy brought me a twin tank, wheelbarrow style they used on job site. Asked him if he drains it, "no, this is a GOOD compressor, it doesn't have to be drained" Still wouldn't build pressure. Like the smart-A$$ I am, opened the drain cock and it ran for nearly 15 min. Closed it back, plugged it in and got 125 lbs/sq in.
I had a hard time keeping from laughing in his face that I couldn't charge him for the daily humor.
 
At work, we put an elbow and a length of pipe out of the drain plug with a ball valve on the end. It's easy to get into the habit of "kicking" the valve open at the end of the day to drain the water. And yes, in warm or cold weather, you will get a lot of condensation.
 
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