Monday, June 28, 2010

Irrigation System

I am putting together an irrigation system for our gardens here at Saxonbourg Greens. For now we have a timer that controls four separate sprinkler valves. I put together a manifold that connects a hose from our well tank. The hose connects through a series of fittings and water from the hose flows into several tee pieces and an elbow. Then the water will go up some risers and into the valves. The valve, when closed, will not let the water through. When the timer sends an electrical charge to one of the valves, the valve will open, letting the water through into a buried poly-tube. Poly-tube is a black plastic poly-fiber tube used for irrigation purposes. Our tube is 1" wide. We will bury it 18 inches deep so that it will not freeze during the winter. As the water courses through the tube, it will encounter several tees with a riser connected to a sprayer. The sprayer and all the others will water the garden as long as the timer sends the electricity to the valve. As soon as the timer stops sending electricity to the valve, the valve closes, the sprinklers fade and stop. Then the timer can send a new electrical charge to another valve, watering a new zone.
Here is the timer. I hooked the cables up from the valves on the right side.


The timer and the hose from the well tank. I used an old dryer exhaust pipe to lead the cords and hose through the basement wall. ;)


Here is the valve manifold with the first test sprinkler hooked up.


Hurrah! It works!


From a greater distance. We haven't buried any piping yet, but are putting in systems to be timed while we go on vacation. Eventually everything will be in place and we can continue adding more sprinklers and zones.

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