Air Vent Vacuum Relief Valves with the protected outlet have a special collar added below the cap which deters insects from entering and making themselves at home under the mushroom style cap.
Air/Vacuum Relief Valves deliver optimum performance and increased efficiency of an irrigation system by preventing air-lock problems and back suctioning of debris into the lines. The Air/Vacuum Relief Valve allows air to escape during the system’s initial start and until the pipe or drip lines are full of water. It also allows air to enter back into the system when the zone is turned off. The Air/Vacuum Relief Valve helps prevent clogging in sub-surface drip irrigation systems resulting from back suction of debris under vacuum conditions. Install the Air Vacuum Relief Valve at the highest point of a drip line installation.
Features:
- Reduces maintenance requirements and extend drip system life
- Smooth and reliable operation
- Eliminates air pockets within a system zone
- Releases air from the drip line when the zone is turned on
- Allow air to freely enter the system when the zone is shut down
- Ball float design offers perfect sealing under very low system pressure
- Easy to handle and maintain
- Constructed of UV-resistant, durable plastic material to withstand the most adverse conditions
Operating pressure 5 – 100 PSI
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