GA Figure 933:

Air & Vacuum Valve for Water, With Throttle Device

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

VAG GA Industries Figure 933-T Air & Vacuum Valves are typically installed between a turbine pump and its check or pump control valve.The Figure 933-T efficiently vent airs from the turbine pump column at pump start and admits air into the column at pump shutdown.

The Figure 933-T includes a specially designed double acting throttle device to allow an adjustable, regulated air venting rate but unrestricted air admission.

The valve only has one moving part and it's simple construction ensures dependable, long term operation.

Characteristics
  • Compact and light weight
  • Adjustable, regulated air discharge rate
  • Unrestricted air inflow rate
  • Utilizes “kinetic” operating principle, designed not to blow shut
  • Rugged iron body and cover
  • Corrosion resistant Type 316 stainless steel float
  • Tight sealing and easily replaceable rubber seat
Material
  • Body & Cover: Cast Iron, ASTM A126 Class B
  • Float: Stainless Steel, Type 316
  • Replaceable Seat: Buna-N
  • External Fasteners: Steel, A307, Zinc Plated
Corrosion Protection
  • Standard: Uncoated internal, external coated with enamel primer, minimum 2 mil DFT
  • Optional: 316 SS external fasteners and internal and external NSF-61 certified 2-part epoxy, minimum 6 mil DFT
Downloads
Drawings and Parts List
0-5in To 3in Figure 933
Download
Product Bulletin
Air Valve Bulletin
Download
Sample Specification
Air Vacuum For Water Rev B
Download
Technical Datasheet
Figure 933t Data Sheet 933-01b
Download
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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 933:
Air & Vacuum Valve for Water, With Throttle Device
GA Figure 933 Image
Size: 1/2" to 3"
Valve Type: Air Valve
Fluid: Water
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