Quote:
Originally Posted by NickE
Actually, I believe that the molecules are the same. The difference is the spacing between the molecules.
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I guess that's what I'm trying to explain. Gas likes to escape faster than liquid. Liquid does not compress well while gas does.
Basically the point is that PVC should never be used to store air unless you are expecting an explosion at any time. I would never recommend using PVC. I saw what it can do, and don't want it to explode in my face. If it's a very far from anyone and inside a steel container I would then feel safe using it. Otherwise I would never use it. The kid had a failure at 40PSI while he was still charging it up to 60PSI. It was not thin pipe at all. It was very thick. It failed at a joint. It cracked the whole piece, then released the top section like a canon straight up into the ceiling. This happened at 40PSI. I know the water pressure in my home is right at 60PSI. PVC is not designed to hold air. It's not safe. It fails unexpectedly unless you drop it, and if you do that, you better run like a mad man, because it's very likely to go off. A PVC pipe with 60PSI of air, or 100PSI, or whatever is a bomb. Note that I did not use like a bomb. It is a bomb. A grenade. Unsure of when it will go off.
Hopefully I'm getting my point across. Don't use PVC for the tank. The way they're describing they're using it sounds pretty safe, but make sure no one, and I mean no one, is around it at all. There shouldn't be anyone within 100 yards of your tank when it's pressurized. Be behind the wall and don't go out unless it's not pressurized anymore.