Protects pipe systems by preventing air restrictions, water hammer and collapsed pipes due to a vacuum in large commercial drip irrigation systems. Non-corrosive materials. 1” male pipe threads. New version. Install upright at high points where air may accumulate.
- Air and vacuum relief
- 150 psi working pressure
- 200 psi maximum pressure
- Seals at 2 psi
- Directional discharge port
- Made of ABS plastic with an elastomer seal
- Easy to install
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