935 – Air & Vacuum Valve for Sewage, Standard Body

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.

SKU: GA Figure 935
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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.

Product Number: GA Figure 935
Size: 2″ x 1″ to 6″
Valve Type: Air Valve
Fluid: Wastewater

Characteristics
  • 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
  • AIS Compliant when required
Material
  • 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 (Optional 316 Stainless Steel)
Corrosion Protection
  • Standard: Internal and external NSF-61 certified 2-part epoxy
  • Optional: 316 Stainless Steel external fasteners

 

 

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