Sprinkler Irrigation Systems
Spray Irrigation and/or Sprinkler Irrigation Systems
Whilst the engineers of this world may be able to describe the difference between sprinklers and sprays, for all intents and purposes, this overview treats them as one and the same.
In simple terms Sprinkler Irrigation is a method of turning a volume of water into small droplets of water and applying them to the garden and/or ground surface in order to maintain the growth of plants and lawns.
Achieving this goal can be far more complex. It can be as manual as turning on a tap and pointing a spray gun at the end of a garden hose or as automated as fully controlling the Sprinkler Irrigation System over the Internet. (WiFi irrigation systems)
So instead of the water being pushed out of emitters in small volumes (As in drip irrigation) we have larger volumes of water being forced through tiny holes to form a spray pattern or a fine trajectory of water being interrupted to form droplets of water.
Whilst the method applying the water (IE Drip versus spray) may be very different the methods of controlling the system are very similar. Irrigation Controllers, pipes/hoses, solenoid valves, spray heads and fittings form the major components of the system.
More pressure is needed to be applied to the water in a sprinkler system to achieve the specified trajectories of the water and more water is consumed over a shorter period of time in comparison to drip irrigation.
Probably the best way to describe how a Sprinkler Irrigation System works is to describe the major components and explain what part they play in the system.
The Irrigation Controller
The irrigation controller can be as simple as a manual timer fitted to a water tap. It’s simply turned around to the desired time and shuts off when it times out. It’s applications are very limited and needs manual intervention to turn it on. It’s very popular in small gardens.
Tap timers can also be battery operated with more than one watering zones capable of controlling larger gardens and not requiring any manual intervention except for changing batteries from time to time.
The most popular Irrigation controller on the market for controlling a Sprinkler Irrigation System has been and still is the wall mounted irrigation controller. From two watering zones to 40 plus on large or commercial properties is achievable with modular controllers that allow more zones to be added as required.
.The controller is basically an electronically controlled timer that turns the watering system on at a pre-programmed time or times, runs through a watering program for each zone and turns off. Hunter, Rainbird, Toro and Hydrawise Controllers are the most popular brands that we sell and recommend.
A solenoid valve is a valve that is connected by two wires to the controller. The controller will apply a voltage (AC or DC) to the solenoid coil which causes it to open and allows the water to flow to the sprinklers.
Solenoid valves from 25mm to 50mm to suit small irrigation jobs to heavy duty valves designed to open and close high volumes of water flow required for large scale irrigation systems.
Rain and moisture sensors are used to turn off a watering system automatically when it’s been raining or when the soil is already too moist and not requiring further watering.
Valve Boxes and Irrigation cable
Valve boxes are used to cover a single solenoid valve or multiple valves in the ground. We sell a wide range of Valve boxes from small round, square or rectangular shape boxes for household purposes to large heavy duty boxes for commercial usage. Green lids are most common but purple lids are used when recycled water is in use.
Irrigation cable encases the wires that join the controller to the valve. It comes in single wire, 3 up to 13 wires in roles of 30M, 50M and 100M as well as by the meter.
Irrigation Pipes and Tubing
PVC, Metric High Density (HD) poly pipe, Rural HD Poly Pipe and Low density (LD) Poly pipe are all used for carrying water in an irrigation system. Our staff will be able to help you chose the right one for your job. Getting the maximum amount of water flow can critical, so selecting a pipe that is too narrow can prevent a system from working correctly.
PVC , Metric HD, Rural HD, LD, manifold, Camlock and treaded poly fittings are the building blocks of all irrigation systems.
If you are wanting a Sprinkler Irrigation System at your property you can do it yourself, it’s not rocket science. Come in to one of our four stores and our experienced staff will help you understand how it works and what you need to build the system. Alternative you can draw up a plan of your property and we can design a system for you.
If you don’t wish to install your own Sprinkler Irrigation System, Smart Water Installation can do it for you. We install irrigation systems in domestic to large scale commercial properties with over 30 years of experience.