APCO Sewage Air/Vacuum Valves & Dual Body Combination Air Valves (ASV)


Documentation
Specifications
Overview
Dual Body Combination Sewage Air Valves
The ASV-401C Air/Vacuum Valve has an independent, side-connected Air Release Valve. The ASV-401C provides dual functions: venting large volumes of air through the large orifice and releasing small pockets of air through the small orifice air release valve.
The Dual Body Combination Sewage Air Valve automatically releases collected pockets of air will through the small orifice automatically while pressurized. Should a vacuum develop in the force main, both orifices open to permit large volumes of air to re-enter and break the vacuum.
The large orifice air valve has an upper float and a lower concave float. The valve maintains an air gap between the concave bottom float and upper shut-off float. The small orifice air valve has a compound lever mechanism with a long float stem with a stainless steel float. The elongated body maintains an air gap between the float and the mechanism.
The air gaps prevent waste solids from clogging the upper shut-off float of the large orifice and the lever mechanism of the small orifice valve.
Data
SIZE RANGE:
1-14” (25-350mm)
BODY STYLES:
401, 401C
BODY MATERIAL:
Ductile Iron, Carbon Steel, 316 Stainless Steel
Benefits
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