GA Industries Figures 955 Dual Body Combination Air Valves consist of a sewage air release valve factory piped to a sewage air & vacuum valve.It vents air from pipelines and systems as they are being filled with water and then closes tight once the system is full and pressurized.It also releases air and sewage gas that accumulates in the valve while the system is operational.And, it automatically opens to admit air to limit vacuum formation when the pipeline or system is drained and/or a negative pressure occurs.
The Figure 955L provides a larger orifice for faster release air and gas on systems operating at 75 PSI or lower.
Figure 955F includes optional “back flushing attachments” to facilitate cleaning sludge and debris from the valve.
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Set-up NowGA 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.