Author: Drip Depot Staff
Installing your system
Installation of low-volume irrigation is a fairly simple process. Begin by comparing the plan to your site and make all the necessary changes to your plan to reflect actual site conditions. Begin installation and assembly at your water source, adding a backflow preventer if required to meet local codes. If your drip system has more than one zone, then adding a filter, pressure regulator and 3/4" swivel adapter to your drip line is required for each zone. If you decide to automate your system, your control valve becomes the first component in your assembly. For the easiest operation, use a battery operated controller. For your automatic valve assembly use an AC powered controller.
Drip installation recommendations
THINK SIMPLE! When you are getting ready to install your drip system, think simple! Always start with a filter and a pressure regulator. Run your 1/2" poly tubing near the plants. Try to stay with a single dripper flow rate. Place the drippers directly into a 1/2" poly tubing when possible. Begin with one dripper for small plants up to 3' high and increase the number of drippers as your plants get larger. If you plant on a slope, moisture in the soil will percolate downhill, resulting in more water at the bottom of the slope. Place the drippers uphill from the plants so the wetting pattern remains within the root zone. Keep the distance between drippers around the plant even, and keep the minimum spacing between drippers to 12". If you use 1/4" micro tubes to extend from a 1/2" poly tube, keep micro tube runs short and insert drippers to the end of micro tube. (Think about maintenance.) Run your system between 45 minutes and 2 hours, 2-3 times a week, depending on the weather.
Micro sprinkler installation recommendations
When you select a micro sprinkler, always start with a filter and a pressure regulator. Run your 1/2" drip line at the center. Select the micro sprinkler with the diameter for the area that you would like to cover, stick with a single flow rate if you can. Install your micro sprinkler with spike at least 6" above the ground. Keep the distance between micro sprinkler to the spacing recommendation.
Installing drip irrigation in landscape areas
Lay out the poly tube using fittings as needed. Don't pull poly tubing too tight; allow for expansion and contraction due to changing weather conditions. Attach the drippers to 1/2" poly tube, if the poly tube is buried, raise the drippers above the ground using 1/4" micro tube. Allow for different size plants to have more water by adding more drippers. You need at least 60% of the root zone to be wet. Flush the line and operate the system, checking for correct operation of all drippers on the line. You can use mulch to cover the system components and conserve water.
Installing drip irrigation in vegetable gardens
When installing drip irrigation in a vegetable garden, we recommend using 1/2" poly tubing as a main line, running it perpendicular to the garden rows. With rows more than 2' apart, run one poly tube line for each row, connect it with a 1/2" tee and insert a .5 or 1 gallon per hour dripper every 12". If your rows are less than 2' apart, run one poly tube line between every two rows, and insert a .5 or 1 gallon per hour dripper every 12".
Installing drip irrigation on patios
For patios, your system may run entirely from 1/4" micro tube by using a combination of drippers for small containers and pots up to 5 gallons. To extend micro tube from pot to pot, use a 1/4" tee for each dripper with a small link of micro tube to the plants. You can let the drippers hang above the plants or you can secure them with stakes in the pots. Use a mister for larger planter boxes with the same method that you used with the drippers. Hang the mister/fogger 6" to 8" above the plant. Do not exceed 35 gph on any single 1/4" line.
Installing drip soaker tape in vegetable gardens
Drip soaker line can be installed easily either above or below the ground. It is designed mainly for use in vegetable gardens. We recommend using 1/2" poly tubing as a main line, running perpendicular to the garden rows. Connect the drip soaker line to the reducer. Punch a hole in the 1/2" line at the connection point of each row, and insert the barbed end of a reducer. After running the line down the row, use an end line to close the end of the line. For vegetable rows more than 2' apart, use one line of drip tape per row. If your rows are less than 2' apart, place the drip tape between every two rows. We highly recommend the use of a 25 psi pressure regulator with your system.
Installing micro sprinklers and sprayers
Micro sprinklers and foggers may be inserted into 1/2" poly tubing by the same method as that used for installing drippers. They offer a wide variety of coverages ranging from as small as 5' to large diameters up to 45'. They come mounted on spikes, threaded barbs, or pop-ups. Accessories, such as ray spike and poly riser are available for different installation options using micro sprinklers or sprayers on threaded barbs. We recommend installing micro sprinklers and micro sprayers a minimum of 6" above the surface for the best coverage.
Installing Maverick 12 zone drip head
Maverick 12 Zone Drip Systems convert an existing sprinkler riser into a 12 zone drip system without disturbing the other sprinkler heads along the line. The Maverick is designed to operate with either 1/4" or 1/8" micro tube, and has the option of closing off any zones that you do not choose to use. We offer Maverick Heads in a choice of three different flow rates. If you are combining Mavericks into an existing sprinkler line, use the Hi-Flow 4 gallon per hour model. If you are replacing all of the sprinkler heads in a line, use the 1 or 2 gallon per hour models. We recommend flushing your line after installation.
Installing four outlet PC drip heads and six outlet adjustable drip heads
Six outlet adjustable drip heads may be installed directly to 1/2" sprinkler risers. Adjustable drip head has six outlets. Each outlet is adjustable between 1 and 20 gph, and can be used with micro tubing, 1/4" laser drilled soaker hose and any combination of drippers. The four outlet is preset at 6 gph per zone. It allows you to use any combination of laser drilled soaker hose and drippers of various flow rates, or you can allow free flow from any outlet using micro tubes. We recommend flushing your line after installation.
Installing laser drilled soaker hose in planter boxes
1/4" Laser drilled soaker hose is recommended for narrow planted areas, planters and boxes. It can be connected and fed from 1/2" poly tube or from 1/4" micro tube using a 1/4" barb or tee. Each line of laser drilled soaker hose may be a maximum of 30' long; for good coverage use one line per foot width. For example if you have 1' x 5' container box, use 1 line of laser drilled soaker hose in the middle. if you have 2' x 5' container box use 2 lines of laser drilled soaker hose in the center.
Installing a drip system starting from a 1/2" sprinkler riser
To install a drip system starting from a 1/2" sprinkler riser use a conversion elbow, pressure regulator and 3/4" adaptor to 1/2" drip line. Make sure that you space the drippers a minimum 12' apart.
Initial system start-up
Before turning the system on for the first time, leave all 1/2" poly tubing ends open, turn your water on and allow it to run freely for a few minutes. This will flush out any dirt that may be in the line. Close the end of the line by using either a hose end or a end cap. Check to see that the drippers and micro sprinklers are operating correctly and that no leakage is occurring. If leakage occurs on the 1/2" tubing at the base of the dripper or micro sprinkler, remove that dripper/micro sprinkler and insert goof plug to close the hole and reinsert the dripper or micro sprinkler in a different place.
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