What kind of drippers are available?

Drippersdripper is an element or capillary hose that doses the water to the plant. In general, there are three kind of drippers: capillary drippers, labyrinth drippers and pressure compensated and self-closing drippers. The best decision for a dripper depends on the cultivation, the length of a bed, the amount of drippers per meter and the desired water flow. Outlet water and permitted release differences between drippers also play a big part in this decision. An overview of the different types of drippers can be found below.

Capillary

Capillary drippersThe capillary is in basically a PE-hose with a narrow and long opening. The capillary is for the release dependent on the length of the hose, the diameter and on the opening and pressure. The release capacity of capillary is strongly dependent on pressure (by adjusting the pressure the capacity can be increased).

Hoses with big diameters are needed and in general they need to be supplied from two sides.

Labyrinth drippers

Labyrinth dripperA labyrinth dripper features a wide passage with indentations. These indentations cause swirls  in the water flow that will cause the pressure to drop and keep the water moving. These causes a more steady water flow because the influence of the pressure on the water is limited, but also because there is less chance of the dripper getting clogged. Royal Brinkman supplies three different kinds of labyrinth dripppers: the CapiNet, Cobra Drippers and Woodpecker drippers.

Pressureclosing and selfclosing drippers

Pressureclosing drippersThis dripper also features a wide passage. The water supply remains the same between 1,0 and 3,5 bar. Possible pressure differences in the system will be captured by the dripper. This is the reason why the dripper is excellently suitable for longer path lengths with one-sided supply. The closing pressure is ideal for short watering.

The self-closing system ensures that the hose will always stay filled. This makes it possible to give short waterings so that the cultivation can be easily directed. In addition, pressure compensating drippers can be fitted with smaller tubes, this ensures that plant protection products can be given concentrated.

Kameleon High

A special edition of this dripper is the Kameleon High. Thanks to the very high opening pressure this dripper remains completely closed during the flushing. This makes it possible to change warm or dead water towards cold and fresh water before a watering. In the end this leads to the desired nutritional solution.

Eef Zwinkels en Ben Peters
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