Calculate the application rate of each similar zone by using the following formula:   231 is going to be the conversion number or constant. The GPH depends on the size of the built-in emitter, Hunter manufactures .4, .6 or .9 GPH (1.35, 2.35, 3.75 l/hr) …

The Automatic Flush Valve (AFV) allows debris to be flushed out of any dripline system. It is good practice to install an AFV at the end of any single dripline or grid of dripline. Flush the zone prior to use.  An AFV may be used for any dripline system …

Similar to a sprinkler head, the Eco-Indicator pops up to provide visual indication that a drip system is operating. The Eco-Indicator has a highly visible yellow stem that pops up when the system is running at a pressure of least 12 PSI (0.8 bar; 83 …