Air Release Valve (ARV) - Automatic Air Vent/ Vacuum Break for Pumps
HD Process produces automatic air release valves for venting air from pumping systems and process lines. Installed on the discharge side of a self-priming centrifugal pump, the valve releases air during the priming cycle and closes automatically when priming is complete.
The ARV is commonly mounted on top of the centrifugal pump head to provide an automatic vent point for accumulated air.
Automatic Venting During Pump Priming
The floating-ball mechanism allows air to escape while the pump primes. As liquid reaches the valve, the float closes the vent. This supports the transition from air evacuation to liquid pumping without requiring the operator to close a manual vent.
Releasing trapped air helps address air-related pumping problems; it should not be treated as a guarantee against every cause of pump cavitation.
316L Body and Replaceable Float Components
- AISI 316L stainless steel construction
- Special floating-ball mechanism
- Replaceable floating ball and PTFE seal
- Standard connection designated ½ inch
A separate version with a 1½-inch Tri-Clover connection is also available.
Contact HD Process to discuss an automatic air release valve for your pump installation.
