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July 5, 2018

There is considerable talk about Low Energy/Elevation Solutions for pivots these days. The need to save water and energy is greater than ever. Nelson Irrigation takes this charge seriously and would like to add the NELSON ADVANTAGE to the mix.  

Hose drag, bubbler and spray technology qualify as LEPA and LESA so long as the outlet spacings are tight and the devices deliver water at low pressure. Nelson’s U3030 can be used for both Part-Circle applications and hose drag applications. The Sprinkler Converter is a great device to get a 3-in-1 sprinkler. Choose between functions: bubble, spray or irrigate with rotating streams depending on water constraints. 

Though offering the advantages of low pressure operation and minimal water loss due to canopy evaporation and wind drift, LEPA and LESA applications are limited. Limitations include: tight soils, sloping fields, and inner spans. Due to the very low pressure used, it is necessary to manage the system pressure and monitor it closely. Pressure regulators are generally a necessity for good uniformity of LEPA nozzle discharge.   

There are other low energy/elevation options beyond LEAP and LESA. Consider rotating sprinklers in the 6-10 psi (0.4-0.7 bar) range. The Rotator® and Accelerator create a wide wetted pattern for the best soil infiltration and optimal droplet energy. 

If you’re looking for LE SOLUTIONS — look to NELSON. 

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