| 摘要 |
A self aligning nozzle for a flapper valve through which fluid at a controlled pressure is supplied to a servo system. The nozzle which is retained in a semi-spherical member and is adapted to be rotated about its axial center to maintain a face of an orifice in a perpendicular relationship with a face on a lever that moves about a pivot in response to an operational pressure differential in the servo system in a shut off position to prevent leakage into the servo system.
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