VAG GA Industries Figure 930-T Air & Vacuum Valves efficiently vent air from pipelines and systems as they are being filled with water and then close tight once the system is full and pressurized.They automatically open to admit air to limit vacuum formation when the pipeline or system is drained and/or a negative pressure occurs in the valve.
Figure 930-T Air & Vacuum Valves are typically installed at system high points where air naturally rises during filling and vacuum first forms during draining.
The valve only has one moving part and it's simple construction ensures dependable, long term operation.
GA Figure 930D, 930U:
Air & Vacuum Valve for Water, FLG x Cowl
GA Figure 930DT:
Air & Vacuum Valve for Water, FLG x NPT
GA Figure 930T:
Air & Vacuum Valve for Water, NPT x NPT
GA Figure 931:
Air & Vacuum Valve for Water, With Surge Check
GA Figure 933:
Air & Vacuum Valve for Water, With Throttle Device
GA Figure 935:
Air & Vacuum Valve for Sewage, Standard Body
GA Figure 939:
Air & Vacuum Valve for Sewage, Short Body
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From the raw water intake to the filtration plant to the finished waster distribution and storage system, GA Industries valves have been providing dependable service in large and small water systems. GA Industries pump control, check and relief valves mitigate damaging pressure surges and eliminate slam and bang that can result from the operation of water pumps.
Our full range of pilot operated control valves regulate distribution system pressure and prevent overflow of storage tanks and reservoirs. Air trapped in water pipelines can reduce system efficiency and exacerbate pressure surges. Our wide range of automatic air valves ensures we have the right valve to maintain an air free system.
And when it’s necessary to isolate a pump, process or section of pipeline, you can depend on GA Industries butterfly valves for reliable flow shutoff.