LJR - thanks for the info. i will make sure it is pressure rated. i have seen both and the differences are clearly marked. the 2" pvc i have is pressure reated for 280psi. What type of markings should i be looking for on the fittings?

boilingleadbath - thanks for the valve info. unfortunately the ...

well here goes for my first post:

i have lots of 2" PVC lying around the house. I want to build an "inline" pneumatic launcher. what length do suggest i make the chamber? i'm going to use 1.5" PVC for the barrel. I used 2 lengths of 2" PVC 18" long to make a "confetti" launcher for my wife. we used ...