| 摘要 |
Inline valve assembly having a body with an axial bore and guide slots extending in a direction perpendicular to the bore, a flexible tubular liner having an axially extending flow passageway with a generally cylindrical side wall disposed in and supported by the bore, throttling pins mounted in the guide slots in engagement with the side wall on opposite sides of the liner, and cam members rotatively mounted on the valve body for urging the pins together against the side wall to restrict flow through the passageway
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