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Re: Help with 12V air compressor, please. Hello Jack, I was thinking of a vacuum pump in regards to the empty tank..... create a vacuum in the tank to xxx psi and then open a valve to evacuate the balloon. At this point, your empty tank will now have all of the reusable helium. Of course pressurizing or creating a vacuum in a tank can be a hazardous adventure, so...know the limits of the tanks. Hammer
Re: Help with 12V air compressor, please.
Hello Jack,
I was thinking of a vacuum pump in regards to the empty tank..... create a vacuum in the tank to xxx psi and then open a valve to evacuate the balloon. At this point, your empty tank will now have all of the reusable helium.
Of course pressurizing or creating a vacuum in a tank can be a hazardous adventure, so...know the limits of the tanks.
Hammer
