This is a very small and also very quiet air compressor that I made for my Babington waste oil burner. It has a air pressure switch and a air regulator to control the output pressure. When the tank is filled to 8 Bar then the switch turns the compressor of. It will start again when the pressure drops to 3,5 Bar. The air pump was taken from a small refrigerator that was given to me from a guy at work. all the other parts I had lying around in my work shop. Don’t expect to paint cars with this compressor! It is not build to deliver large amounts of air. My burner runs with 2 Bar air pressure and runs 1/2 hour on the full air tank before the compressor switches back on again. It takes 5 minutes to fill the tank back up again. I mounted a solenoid valve and also a one way valve to make sure that when the compressor switches of when it is at 8 bar the air pump itself has no back pressure from the air tank. The pump is not strong enough to start when the pressure is above 8 bar. Once running its no problem any more. I tested it and I stopped at 12 bar! I was afraid that the tank would burst. The little pump had still plenty left! It’s very compact an very silent! you wont hear it run!

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