GA Industries
GA Industries Figure 957 Dual Body Combination Air Valve consists of a Figure 927 high capacity sewage air release valve and a Figure 935 sewage air & vacuum valve factory piped together. Both valves have an elongated body designed to maintain an air gap between the solids bearing fluid and the valve's internal mechanism to minimize fouling and spillage.
The Figure 957’s high capacity air release valve releases accumulated air and sewage gas more than twice as fast as the standard air release valve used in the Figure 955.
The Figure 957L has a larger air release orifice for faster release of air and sewage gas when operating at 75 PSI or lower.
Figure 957F includes optional “back flushing attachments” to facilitate cleaning sludge and debris from the valve.
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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.