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Air Release Valves

An Air Release Valve, or Air Relief Valve, are used to release the air pockets that collect at every high point in a full pressured pipeline, typically for dripline applications.

As air rises, once turned on, the ARV will open against the internal pressure and allow for consistent watering through the drippers, rather than air bubbles blocking water ways and manage pipeline efficiency. 

For dripline applications, we recommend using an Air Release Valve Kit, which conveniently includes a 19mm or 13mm LDPE Threaded Tee piece to install into your poly main in drip applications.

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Caleffi Brass Air Relief Valve
$29.05
Caleffi Brass Air Relief Valve
$29.05

FIND THE RIGHT IRRIGATION PRODUCTS FOR YOUR NEXT PROJECT

An air valve is positioned at the highest elevation point in the system mainline. As air usually rises to the top, the vacuum breaker or air valve pops up to release any air bubbles to eliminate uneven watering in your dripline. A flush valve is positioned at the lowest elevation point in your mainline system, usually connected to a female threaded elbow, and will close off your poly pipe mainline. This flush valve will open up when the system first turns on and will flush out the first 2 litres of water, which will include the water that has been sitting in the mainline and dripline since the last time the system was turned on. This will flush any debris, creepy crawlies, bio-matter such as dog poo and insects so as to avoid any blockages in the emitters for the dripline to perform at its very best.

FIND THE RIGHT IRRIGATION PRODUCTS FOR YOUR NEXT PROJECT

What is the difference between an Air Valve and a Flush Valve?

An air valve is positioned at the highest elevation point in the system mainline. As air usually rises to the top, the vacuum breaker or air valve pops up to release any air bubbles to eliminate uneven watering in your dripline. A flush valve is positioned at the lowest elevation point in your mainline system, usually connected to a female threaded elbow, and will close off your poly pipe mainline. This flush valve will open up when the system first turns on and will flush out the first 2 litres of water, which will include the water that has been sitting in the mainline and dripline since the last time the system was turned on. This will flush any debris, creepy crawlies, bio-matter such as dog poo and insects so as to avoid any blockages in the emitters for the dripline to perform at its very best.

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