VALVE WITH UNOBSTRUCTED FLOW PATH HAVING INCREASED FLOW COEFFICIENT
A valve (2) comprising a valve body (4) including a first end (8) and a second end (10) spaced apart along a longitudinal axis (12), a central portion (6) disposed between the first end and the second end, wherein the first end and the second end define a first flow passageway (26) and a second flow...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | A valve (2) comprising a valve body (4) including a first end (8) and a second end (10) spaced apart along a longitudinal axis (12), a central portion (6) disposed between the first end and the second end, wherein the first end and the second end define a first flow passageway (26) and a second flow passageway (28), respectively, and wherein the central portion defines an interior chamber (32), wherein the first end of the valve body includes a bore, a valve seat (46) disposed in the bore including a concave seating surface (136), and a disc (54) rotatable within the interior chamber between an open position and a closed position, wherein the disc includes a seal (52) having a shape corresponding to the concave seating surface and wherein the shape of the seal and the concave seating surface define an elliptical offset from a centerline (90) of the valve. |
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