large venturi vacuum pump
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venturi vacuum pump hooked to a old PEPSI carbonated water tank(home made oil sucker)
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I wanted a oil sucker and I couldn't find a good metal one(harbor freight stopped making it), so I did what we all do here, and made one. It works good, the threaded part will need to changed to fit whatever solid container you plan on using. I will add the large versions and the original smaller one (smaller inside ports). I do use a pipe tap to clean the threads out.
I added barbed fittings in 7mm and 10mm to use this tool to prime a fuel system or a use like that. V2 will fit better(tighter to the o-ring), v1 are a bit loose(if you use the same o-rings I use).
At 5psi going into the tool it has .25LB of vacuum.
You will need to find o-rings (I use ID of 14mm OD 19mm) that hold tight to tool body and the tube.
NOTE I set the regulator to the lowest setting, at 100% it has blown the fitting out of the tool.
My smaller ones are better made and fit the air chuck fitting a lot better then this one.