no i'm ok, my compressor goes to 110 psi only so i dont mind to use it with the max pressure!

and the sprinkler is intended to be used as a pilot valve so i don't understand how it could explode? oh yes I understand! the sprinkler is 10 bar max that's why you say that!

On the first post i write ...

Thanks for your help!

In fact i shearch something witch could fit in the tee and reduce the diameter of the chamber, To build my piston I want to use a 63mm tube because 50mm caps have an outer diemeter of 63. I don't think that a 75mm tube can fit into the 90mm tee (after the gluing surface the ...

hi everybody!

I am new on this forum but I read it a long time ago.
First, sorry for my english, I live in france and there is not as good forums as this...
I've already made some basic pvc pneumatic cannon witch have good results at 3 bar (53 psi?) and I would like to go up with pressure fittings ...