i recently found some pvc in my shed which im planing to make a combustion cannon with only im not sure the psi rating of the pipe's.
they are both 1m long, one is 65mm the other is about 100mm and i cant find any markings that give a clear indication of there rating.
can some one please explain what im looking for that will tell me the rating.
if it helps the pipe was purchased in Australia.
found some pvc is it safe?
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jackssmirkingrevenge
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What's the wall thickness like? And if there are any markings, post them, it might not mean anything to you but maybe someone can translate 
PN10 for example means it can take 10x14.7psi ----> 147 psi
PN10 for example means it can take 10x14.7psi ----> 147 psi
hectmarr wrote:You have to make many weapons, because this field is long and short life
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jackssmirkingrevenge
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DWV means it's probably not pressure rated, however this isn't as critical for combusions. Have you measure the wall thickness?
hectmarr wrote:You have to make many weapons, because this field is long and short life
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MrCrowley
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AS/NZS 1260 means it is DWV and DWV only. As JSR said, this will be fine for a basic combustion. There is another type of DWV called spouting, which you want to stay away from. This is the really thin pipe, you can almost break it with your hands. It is the stuff you find on gutters, and you know how thin gutters are.
Pressure rated fittings are quite expensive in NZ and Aussie, especially in large diameters like 100mm.
Pressure rated fittings are quite expensive in NZ and Aussie, especially in large diameters like 100mm.
