GA Figure 935:

Air & Vacuum Valve for Sewage, Standard Body

Size: 2" x 1" to 6"
Valve Type: Air Valve
Fluid: Wastewater

VAG GA Industries Figure 935 Air & Vacuum Valves efficiently vent air and sewage gas from sewage forcemains as they are being filled and then close tight once the system is full and pressurized.They automatically open to admit air to limit vacuum formation when the forcemain is drained and/or a negative pressure occurs in the valve.

Figure 935 Air & Vacuum Valves are typically installed at system high points where air and sewage gas naturally rise during filling and vacuum first forms during draining.The elongated body is designed to maintain an air gap between the solids bearing fluid and the valve's internal mechanism to minimize fouling and spillage.

Figure 935F includes optional 'back flushing attachments' to facilitate cleaning sludge and debris from the valve

  • Full size orifice for maximum air outflow and inflow rates
  • Corrosion resistant Type 316 stainless steel float, plug, seat ring and internal mechanism
  • Elongated body reduces potential for fouling
  • Tight sealing and easily replaceable rubber seat
  • 2” NPT plugged port allows removal of large debris
  • Body & Cover: Cast Iron, ASTM A126 Class B
  • Float: Stainless Steel, Type 316
  • Internal Linkage: Stainless Steel, Type 316
  • Replaceable Seat: Buna-N
  • External Fasteners: Steel, A307, Zinc Plated
Drawings and Parts List
Drawing EAV7105FW-A (2x1" to 3x2" Valve + Backflush)
Drawing EAV7105W-A (2x1" to 3x2" Valve)
Drawing EAV7119FW-A (4" & 6" Valve + Backflush)
Drawing EAV7119W-A (6" Valve)
Drawing EAV7132FW-A (3" NPT Valve + Backflush)
Drawing EAV7132W-A (3" & 4" NPT Valve)
Installation, Maintenance and Operating Instructions
IOM Figure 935 2"x1", 2" & 3"x2" 111120
IOM Figure 935 3"-6" 111320
Product Bulletin
Air Valve Bulletin VAG16 LR
Sample Specification
Air Vacuum For Sewage Rev B
Technical Datasheet
Air Valve Sizing For Pipeline Filling and Draining
Figure 935 4 to 6in FLG Data Sheet 935.02E
Figure 935 NPT Data Sheet 935-01D
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Reliable wastewater valves designed for rigorous service

GA Industries sewage and wastewater valves are specially designed to accommodate the rigorous demands of the sewage collection, pumping and treatment process.

Whether a large regional sewage pump station, a small lift station or in-plant process pumping, GA Industries line of wastewater check, pump control and surge relief valves provide reliable service under difficult operating conditions. GA Industries ECO-Centric® plug valves handle solids and stringy material and are used in sewage and wastewater systems for pump, pipeline or process isolation.

Our full range of sewage and wastewater air valves automatically release air and sewage gas from forcemains to maintain pumping efficiency and minimize pipeline corrosion.

GA Figure 935:
Air & Vacuum Valve for Sewage, Standard Body
GA Figure 935 Image
Size: 2" x 1" to 6"
Valve Type: Air Valve
Fluid: Wastewater

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