Manufacturer: | Primerus Products |
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Manufacturer #: | TPE-12531-48-CNL40 |
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Non-uniformity is your Enemy
Non-uniformity is your enemy if you operate a nursery. If some plants get more water than others when you irrigate, you need to run your system long enough to satisfy the plants in your lowest flow rate containers. That means plants in other containers are over irrigated – wasting water, nutrients and money. Even worse, over-irrigation negatively affects plant health.
CNL = Compensating, No Leak
Assembly Without CNL, even a well- designed irrigation system has many sources of non-uniformity. Pressure losses cause plants at the end of each row to get less water than those at the beginning. This can be minimized with large diameter laterals, but then consider that not all Spitters turn on at the same time as the lateral fills up at the beginning of each irrigation set. Again, the plants at the beginning of the line get more water than the plants at the end. This is a big challenge in high-frequency irrigation where fill-up time can be a significant percentage of the entire irrigation time.
Uniformity without CNL is an even bigger challenge if your rows are not perfectly level. Plants at the lowest point of each row get over-irrigated, first because pressure is higher at the lowest points, and second because your lines drain to the lowest point each time you turn your system off. In some nurseries on sloping terrain good uniformity without CNL is simply not possible.
Primerus PC Assemblies solve all of these problems and deliver the same amount of water to every plant in your nursery. If pressure is higher at the beginning of each row than at the end, pressure compensation keeps flow rates the same. Lateral fill-up time doesn’t affect uniformity because all Spitters turn on simultaneously when the lateral is completely full and up to 2 psi. Finally, water does not drain to the low points because flow shuts off as soon as pressure turns off – laterals remain full between irrigations.