GA Figure 945SS:

All Stainless Steel Combination Air Valve for Water, Single Body

Size: 1/2", 3/4", 1"
Valve Type: Air Valve
Fluid: Water

GA Industries Figure 945SS all stainless steel combination air valves are "triple function" valves. The valve's large orifice vents air from the pipeline or system as it is being filled with water and then closes tight when the system is full and pressurized. The valve's small orifice then automatically releases air that accumulates in the valve while the system is in operation. Should the system be drained or a negative pressure condition occur, the valve's large orifice re-opens to admit air to limit the vacuum.

The Figure 945SS is typically installed at high points in the system where air naturally rises during filling or while in operation and where a vacuum first forms during draining.

  • All stainless steel construction for ultimate corrosion resistance
  • Compact and lightweight
  • Full port orifice for maximum air outflow and inflow
  • Uses "kinetic" operating principle, designed not to blow shut
  • Tight sealing and easily replaceable rubber seats
  • Body and Cover: Cast 316 Stainless Steel, ASTM A351 Type CF8M
  • Floats: Type 316 Stainless Steel
  • Internal Linkage: Type 316 Stainless Steel
  • Replaceable Seats: Buna-N Rubber
  • External Fasteners: Type 316 Stainless Steel
Corrosion Protection
  • All stainless steel construction
Technical Datasheet
Air Valve Sizing For Pipeline Filling and Draining
Fig 945SS Data Sheet 945SS-01
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Clean Water

Dependable valves that meet your clean water needs

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.

GA Figure 945SS:
All Stainless Steel Combination Air Valve for Water, Single Body
GA Figure 945SS Image
Size: 1/2", 3/4", 1"
Valve Type: Air Valve
Fluid: Water

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