Air Vacuum Relief Valve Drip Irrigation

The air vacuum relief valve avr is designed to reliably discharge air during system start up and allow air into the line during shutdown.

Air vacuum relief valve drip irrigation.

Ensures the release of air from the zone at the start of the irrigation cycle. Protect your drip irrigation system by using dig s air vacuum relief valve with 1 2 mpt to prevent back suctioning of debris into the drip line. 10pcs 21 28 21. Clogged emitters can create substantial voids in coverage which can lead to dead plants and dry turf.

Product features available in dual. Non draining check valve. Installing automatic air relief valves on the end of lateral lines and emitterline will prolong the efficiency of your system. Air vacuum relief flush valves.

Combination air vacuum relief and air release valve. Mpt threads and compact design for easy installation. Clogged emitters can create substantial voids in coverage which can lead to dead plants and dry turf. At system shutdown reduced pressure allows float to drop and air is drawn into system preventing vacuum conditions.

Installing automatic air relief valves on the end of lateral lines and emitterline will prolong the efficiency of your system. Air venting as system fills with water. The image below shows the process of the air vacuum valve. The valve closes even with low water pressure and reduces water hammer.

System full and pressurized water fills valve and closes of the vent. 17mm check valve drip line. Air relief valve minimizes back siphoning into dripline at shutdown. The air vacuum relief valve allows air to escape the drip line when the system starts up until the pipe or drip line is full of water.

It is good practice to use an avr for all subsurface installations. One of the key elements in a drip irrigation system is air relief.