Sprinklers vs rotors
I've got 21 zones of sprinklers and rotary spray heads. The sprinklers are RainBird and the rotors are PGP. I notice that the zones that were installed for the rotors were 4 to 5, mostly 4 rotors, that's fine at 8 to 10 GPM at 60 psi. However, the sprinklers are rated at 30 psi and the zones have anywhere from 5 to 8 sprinklers and they seem to range around 1.5 to over 2 GPM at 30 psi. When I turn down the sprinklers to only cover the area they are supposed to cover (like a van-8 to cover 8') does that mean when I'm giving them 60 psi, they are acting like they really only are putting out their rated 1.5-2 GPM? I'm trying to figure out what the GPM I'm really getting per zone, especially with the sprinklers. This has to do with my other post on the pump forum about a new sub pump I'm putting in.
Dave