I install funny pipe on 9 out of 10 fittings, with no clamps, and over here we have 95+ psi, and 15+ GPM and i have yet to have a problem. Just make sure the funny pipe is over the elbow all the way. Im not exactly sure what keeps it from blowing apart but something does.
Thanks
Ray
Rays Above and Beyond Automatic Lawn Sprinklers
Thanks
Ray
Rays Above and Beyond Automatic Lawn Sprinklers