Drip watering is an excellent way to evenly and effectively water lawns and gardens. We sell a complete range of drip tubes that come in a variety of flow rates, dripper spacings and pipe sizes. We also have the best brands in drip irrigation like Netafim & Toro, so you know if your drip irrigation project will have your garden looking lush, green and well watered.
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Unless a drip tube is designed for use under ground, with anti-root intrusion technology, it’s should not be buried under soil. However, performs at its best when installed under mulch where the water is delivered with minimal evaporation.
The type of pipe you use depends on the water pressure of the application. For example, in any application under constant mains pressure like before your Irrigation Valves, you’ll need pipe that can cope. This rules out Low Density Poly Pipe & you’ll need to use something like Class 12 PVC or Metric Poly Pipe, these typically have a rating of Class 12, or PN12 which translates to being able to cope with 1200kPa. For irrigation lines after the valves in most domestic applications, Low Density Poly Pipe is ideal. In this situation, the operating pressure is much lower because the water is able to escape out of the operating sprinklers or drip tube & once the valves shut off, there is no static pressure build up.
Pipe sizing is all about reducing friction loss & allowing maximum flow to all points of your garden. There are a number of variables to consider, but in most domestic applications, 19mm Poly Pipe is the common choice. In larger areas, where you may have to run pipe 30-40m to the start of an irrigation zone, or zones with large sprinklers with high flow requirements, you may want to consider upping your pipe size to 25mm of more boost that flow output.