Fluid handling – Line condition change responsive valves – Pop valves
Patent
1992-07-09
1993-11-30
Rivell, John
Fluid handling
Line condition change responsive valves
Pop valves
137538, 137540, 2101982, F16K 1704, B01D 5300
Patent
active
052656420
ABSTRACT:
A pressure relief valve in a cap, and more particularly a pressure relief valve in a cap for use with pressure vessels in chromatography systems. In one exemplary application the valve is contained within the cap of a pressure chromatography column. In a second exemplary application the valve is contained within the cap of a mobile phase reservoir of a high performance liquid chromatography system. The valve generally comprises a body, a sealing element, and a force applying means. The body of the valve is formed into the cap and defines an inlet in communication with the interior of the column, an outlet in communication with ambient air, a first bore, and a seat. The sealing element slides within the body and is urged into sealing contact with the seat by the force applying means. The sealing element has a raised lip at its sealing face to provide a substantial sealing force per unit of sealing surface area.
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Chromware HPLC Mobile Phase Handling Systems, Nov. 3, 1991.
Buckminster William F.
Greenley Larry V.
Viscusi Richard J.
Rivell John
SP Industries Limited Partnership
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