By referring to the Hunter PGP performance chart you will note the following: • As the nozzle size goes up the flow rate goes up. I.e. the flow rate on a Number 1 nozzle is. AT 206 KPA is 1.8 Litres per Minute (LPM), while a number 6 nozzle at the same pressure (206 KPA) has a flow rate of 7.4 LPM.
How much water does a hunter PGP use?
Hunter Industries PGP Gear-Drive Rotor Sprinkler with 3-Gallon Per Minute Nozzle-PGP-ADJ - The Home Depot.