Would this creation a vacuum suction?

Thread Starter

stanman11

Joined Nov 23, 2010
228
I'm trying to achieve a vacuum by sending air through the green tube, (in to out) sucking in air from the in/out blue tube. pulling the piston back to the end

Would this T valve work?

 

#12

Joined Nov 30, 2010
18,159
It's entirely possible, but the shape of the tubes affects the results. I have one of these that I bought for making a suction filter from tap water flow. I believe you need a nozzel so the air flow is introduced at smaller diameter than the tube it is blowing past. A tiny bit of googling would probably clear up this point.
 

#12

Joined Nov 30, 2010
18,159
I think the injector tube is too long. Try making it adjustable! and get rid of the interfering shape on the end of the air exit tube.
 
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