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#1
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Drip irrigation pressure puzzle
I have a couple of drip lines each about 15 feet in length. Some
emitters are installed directly in the main line and others are on short lengths of 1/4 " tubing that then attaches to the main line. I'm having trouble regulating the pressure. The small pressure regulator I bought seems to have no effect and it's easy for me to get fountains of water spurting even from 1/2 gallon per hour emitters. I don't think that's what "drip" irrigation is supposed to do. Most puzzling is that in one line I noticed that little water was coming from an emitter about half way down the line, even though all those beyond it were doing well. So I pulled the emitter out of the tubing and the flow through the hole did not seem much different from the flow through the emitters. I'm looking for suggestions about how I might get this to work better. Thanks for your attention. Tom |
#3
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One should never connect the drip line to the main line. The drip line
should be connected to a sub-main line and the water flow to this sub-main line can be controlled by fixing a control ball valve. In existing circumstances you may use pressure compensating emitters which emit a calibrated amount of water irrespective of the water pressure in the main water line or land having un-even contour. For more information you may write to Girish |
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