Quote:
Originally Posted by Sperkowsky
I have no idea who's right but you did put some science in which validates your opinion a bit. I'm a starting to wonder if this "no pvc under air pressure" Is like "always wear an anti static strap while building pcs". I don't know who to trust but I'm going to look and try to find some metal pipe big enough. If I can't find a free pipe pvc it is. There will be testing and the pvc barrel will be a wooden box so if it did break it would be contained?
I've played with pvc making gymnastics equipment and have seen it break under stress. But I can't find any videos of someone getting injured from pvc bursting at 60psi
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Placing the PVC in a wooden box will do nothing to contain an explosion, it will just create more shrapnel. Do not use PVC as an air tank. Only use air pressure rated tanks and fittings. And as Daniel sad above, the "water hammer" explanation is questionable. Every PVC pipe manufacturer, and several
regulatory agencies do not recommend or prohibit using PVC for pressurized gas. See warnings W-3, W-4, and W-5 in
this document. W-5 specifically warns against compressed air guns:
Compressed air is dangerous. Even at relatively low pressures, there is a lot of energy involved. If you use PVC for compressed air situations, you are putting yourself, and everyone around it at risk. If you can't afford proper materials now, wait until you can.