High pressure metal to metal sealing land in a control valve for

Details High pressure metal to metal sealing land in a control valve for High pressure metal to metal sealing land in a control valve for

1997-09-25

1999-04-27

Weldon, Kevin

Fluid sprinkling, spraying, and diffusing

Unitary injection nozzle and pump or accumulator plunger

239127, 2395854, F02M 5106

Patent

active

058970584

ABSTRACT:
A control valve includes a first valve body component that defines an outlet passage and a first planar surface surrounding a valve seat. A second valve body component has a second planar surface and is fastened against the first valve body component with the second planar surface in contact with the first planar surface at a sealing land. The first valve body component and the second valve body component define a high pressure cavity surrounded by the sealing land. One of the first valve body component and the second valve body component define an inlet passage opening to the high pressure cavity. A valve member has a portion positioned in the high pressure cavity and is moveable between a closed position in which the valve member contacts the valve seat closing the outlet passage to the high pressure cavity, and an open position in which the outlet passage is open to the high pressure cavity. The sealing land has a symmetrical non-circular shape.

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patent: 5494219 (1996-02-01), Maley et al.

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