Air release, vacuum relief, and combination air valves for agricultural irrigation mainlines and pump stations. These valves protect your pipeline from air lock, vacuum collapse, and pressure surges — critical for buried PIP mainlines and pressurized distribution systems where trapped air reduces flow and vacuum can collapse the pipe.

• Air release valves — automatically vent trapped air from pressurized mainlines during operation
• Vacuum relief valves — admit air to prevent pipeline collapse when the system drains or shuts down
• Combination air valves — handle both air release and vacuum relief in a single valve
• Select by pipe size and operating pressure to match your mainline system

Not sure which valve fits your system? Email us at customerservice@discountirrigation.com.