VAG GA Combination Air Valve Figures 942, 942F Single Body Sewage Combination Air Valve

1" to 4"

Productgroup: Air Valves

Medium: Wastewater

VAG GA Industries Figure 942 Combination Air Valves employ a large and small orifice in a single body to efficiently vent air and gas from sewage forcemains. Air is vented through the large orifice as the system is filled and then it close tight once the system is full and pressurized. Residual air and gas is released through the small orifice while the system is in operation. The large orifice automatically opens to admit air when the forcemain is drained and/or a negative pressure occurs in the valve.

Figure 942 are typically installed at system high points where air and sewage gas naturally rise during filling, collect during operation 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 942F includes optional “back flushing attachments” to facilitate cleaning sludge and debris from the valve.

• Full size large  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 side 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

Uncoated internal, external enamel primer, 2 mil DFT

Contact

VAG-Group
Headquarters
Carl-Reuther-Str. 1
68305 Mannheim
Germany
Phone: +49 (621) 749 0
Fax: +49 (621) 749 2156

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