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Sewage Air Release Valves (ASR) APCO


Technical Information

Because sewage media generates large quantities of gas, the potential for air entrapped with sewage pipelines is even greater than in water lines.


It is recommended that each high point be protected with a Sewage Air Release Valve.


The elongated body of the Sewage Air Release Valve minimizes clogging by permitting use of a much longer float stem to prevent the sewage from fouling up the mechanism.

Size range:
2 - 4" (50-100mm)


Body styles:
Series 400, 450


Body material:
Ductile iron, carbon steel, 316 stainless steel