Patent ID: 8567751

Claim:
An inline valve assembly, comprising a valve body having an axially extending circular 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, stub shafts extending from opposite sides of the valve body, cam members rotatably mounted on the stub shafts and connected together for rotation in concert on opposite sides of the valve body, throttling pins mounted in the guide slots on opposite sides of the liner with end portions of the throttling pins extending into recessed areas in the cam members, and cam surfaces formed by side walls of the recessed areas in driving engagement with the end portions of the throttling pins for urging the pins together against the side wall of the liner to squeeze the liner on both sides in a substantially identical manner to restrict flow through the passageway.