How To Blow Out Sprinklers

May 19, 2019

The air will push the liquid out of the tubes sprinklers and valves leaving the whole installation empty. Use a 2 minute time interval to blow out each sprinkler zone.

How To Blow Out Underground Sprinkler Lines Understanding Air Compressors

Properly winterizing your irrigation system is essential to preventing damaged pipe and back-flow devices.

How to blow out sprinklers. How do you blow out sprinklers with air compressor. The air should take the exact same path as the water did. Watch the water sprinkling from the system.

Always read your owners manual for recommendations on proper use and safety before attempting the blowout. You want high volume and low pressure to eliminate damage and completely blow out your sprinklers. Next remove the plug from the blow out port and attach your air hose instead.

Activate the station on the controller that is the zone or sprinklers highest in elevation and the furthest from the compressor. Additionally dont mistake air pressure and water pressure. The amount of liquid that is left will not be enough to cause any damage over the course of the winter months.

Using an air compressor with the recommended PSI and CFM ratings 50 PSI and 20-50 CFM the steps below outline the general process of blowing out water lines on an irrigation system. Finally unplug the compressor batteries and detract the compressor hose from the main sprinkler thread head. Please ensure that your sprinkler systems main valve is completely shut off to avoid any water from seeping in to refill the system.

Once you have finished with the zone nearest you you have blown out your sprinkler system source. If you have drip irrigation sprinklers you may need to blow out the zone for a longer period of time because the drip emitters do not dispense as much water as lawn sprinklers. Air pressure is important but in order to blow out an irrigation system you also have to pay attention to the volume.

As an extra piece of advice dont worry if mist continues to blow out of the irrigation line after the water has been drained. After the air hose has been connected attach the other end to your air compressor. If you can find the end of the supply line for drip systems there is usually an end of line cap which can be removed to allow the water to be extracted quicker.

Keep the sprinkler on for approximately two minutes in each zone. You need to shut off the water source to your entire sprinkler system including backflow valve and then blow air in just beyond that shutoff. High pressure and low volume wont get the job done.

Ewing Irrigations Jeffrey Knight with the help of. How to Blow Out Sprinkler Systems. To properly blow out your sprinkler system you may need to have an air compressor that can sustain enough volume to blow air into a section two minutes at a time or even longer.

For that kind of task you will need an air compressor that can put out a decent volume of air for extended periods of time ideally your air compressor should be capable of providing at least 5 CFM or cubic. The air compressor will allow you to force any stagnant water in your sprinkler lines up through the. Consult an irrigation professional or seek additional help if.

When the water turns from mist to air its time to move onto the next zone. To start the blow out shut off the irrigation water supply and with the compressor valve in the closed position attach the air compressor hose to the fitting. To begin blowing out your sprinklers at home close off both backflow valves.

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