Dixon HAV-series sanitary air relief valve with clamp connection allows air to be removed from a line or container without the liquid flowing out. It's design does not allow air to enter the line or container even if subjected to negative pressure. It is a double seated valve with a freely moving polypropylene ball. The ball which is lighter than water closes against the upper or lower seat depending on the pressure conditions. Features Surface finish technical data: internal product contact surface finish ≤ 32 Ra 304 Stainless steel construction 3A approved onwhen used with elbow extension Sanitary clamp connection Gasket: EPDM standard Valve ball is constructed of FDA, 3A approved polypropylene Valve seals for both pressure and vacuum Ball and gaskets are replaceable Maximum operating temperature: 212° F Maximum operating pressure: 145 PSI Downloads Specfication (PDF Download)
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