Originally Posted by WalkGood
Now, I've seen a zone with 7 or 8 PGP's w/#7 nozzles on a 1.5" line with over 120 psi static pressure.
More than 120 PSI static on a 1.5" line & nothing broke? I set my pressure relief valves to blow off water, static or dynamic, @ 80PSI. Over that and I start blowing couplings, valves.