|
Historically, most irrigation systems have non-pressure-regulated sprinklers that often operate over-pressurized. Over-pressurization can lead to water losses and contribute to uneven watering.
Pressure-regulating spray heads are a developing technology designed to regulate pressure for optimal performance. These spray heads include built-in regulators that maintain a more constant pressure for better nozzle performance.
WHY IS PRESSURE REGULATION IMPORTANT?
Two reasons: it will save water, and it is likely soon to be required by law.
WATER SAVINGS: Compared with non-regulated sprinklers, pressure-regulated sprinklers use about 20-25 percent less water. And if the nozzle breaks, pressure regulators are estimated to save up to 70% of the water that might otherwise have been wasted with an older sprinkler system.
PRESSURE REGULATED SPRINKLERS NOW REQUIRED BY LAW: Oregon and Washington, along with California, Colorado, Hawaii, and Vermont, have adopted regulations banning the sale of non-pressure-regulated spray heads in recent years.
|