The shop vac I have, from the eighties, has a ball that floats, and shuts off the air if the tank fills.
Do the new shop vacs have a motor that's isolated from the air flow?
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However, many (if not most) "shop vacs" ARE specifically made to suck not only wet stuff but straight water. They do not pass intake air over the motor like many household vacuums do. (The first 50 or so shop vacs on HD's web site all say "Wet/Dry".)
Could work, if you build a liquid and air separator.
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Well, with this attachement, you can.
You hook this device to an air compressor, turn on the air compressor, and this attachment produces a vacuum. The AIR-VAC has no moving parts. It uses the venturi principle to create a vacuum in the same way that paint is sucked out of a container attached to a compressor.
ue into the gaps around the join.
Yes, the technique works, for a while...
But then the same area begins to leak again, because the failing component you "repaired" by sucking PVC adhesive into the holes with a vacuum is still compromised and was not replaced...
If you don't want to cut out the piping or fitting and replace the faulty leaky pieces, there are external pressure clamps which can be applied to piping to temporarily repair said piping until such time that it can be properly replaced...
Sucking glue into pinhole leaks in PVC piping is like using white toothpaste to fill the nail holes in the wall of a rented apartment to get off without paying for the repairs when you move out...
You can shine an apple that is rotten on the inside and make it look good, but it isn't honest -- a pressure clamp reminds you that you have something which needs proper repairs...
It's called the Venturi effect,
into the gaps around the join.
Repairing a defective glued joint by drawing in PVC adhesive CAN yield a permanent repair. It can even yield a permanent repair to a crack, as long as the strain that caused the crack is eliminated.
glue into the gaps around the join.
As usual, Evan is living in a different world. It's a freaking PVC line for a pool. Even if the pin hole leak does start leaking again someday, which I have not seen happen, it's not like it's going to bring down a ceiling or ruin an oak floor. No big deal if it leaks a wee puddle of water again someday. And he has no clue what a pain in the ass it is to make repairs on some of these pool pads where everything is packed in tight, vs sucking some glue into a little pin hole leak at a fitting.
But they are NOIZY critters!!!!!!
Wrong tool for the job. Suggest a shop vac instead. It is indeed possible that water could damage the air compressor if sufficient quantity entered the cylinder.
What wet stuff?
Regardless, vacuum cleaners need air flow or they can burn out.
I think it would be fine for the purpose for a limited time interval. Shop vac. Most people have them.
Even a compressor Venturi jet will draw a vacuum.
How about canned vacuum.
Greg
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