Compressed Air

I have a fairly large electric air compressor in my garage. I would like to do something small for my little basement workshop. Blowing off boards and the like. Suggestions? Portable air-tank maybe or a little quiet little compressor?
 
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The quality of the air can be very important. If you’re using a lot of air then perhaps the tank is a good solution. Unless it’s filtered properly, point of use, you may encounter contamination of whatever you’re cleaning.
 
If the use is intermittent, I would simply run a line from the upstairs compressor.
I would put a U bend with a drain valve at bottom near the inlet to the basement point of use and drain it regularly.

Filter Regulator Lubricator units are a common accessory for compressors, inexpensive for the most part, that would be useful.
 
I have seen small fridge and A/c compressors used in medical suction machines.
Those give 300 psi when new.
You could use one if the need is for a small CFM, just used very good filters on the inlet, and a proper cut off switch.
Tank can be salvage. Car LPG tank, good for 15 kg./cm2 (200psi approx. working, 350 test), should work.
 
That #4 post compressor looks like a dry type and shouldn't have an oil problem. The best airbrush compressor is probably a Jun-air but they cost $$$. A 3-7 gallon tire tank is good, but you'd be surprised at how quickly you can empty it. Then you have to haul it back to the garage to fill it. Almost all new inexpensive compressors are way too noisy for indoor use. I just carry most things to the garage to blow them off, then carry them back to the lab. As my knees get worse, this gets less practical. 🙁
 
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For dusting get a good regulator to reduce the pressure down to 30 psi or so.
This is actuallly an OSHA (Federal) regulation here in the USA for blow guns used in commercial applications.
I have damaged a few items in the past with a 100 psi air gun.
And always wear saftey glasses because stuff can blow back in your face.
 
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