Patent ID: 8955823
Filing Date: 2015-02-17
Classification: F16K,F16L,Y10T

Abstract:
1. A product transfer valve, comprising: a valve body having an inlet port and an outlet port; a valve stem axially moveable with respect to the valve body to open and close the valve; a cam operated mechanism for axially moving the valve stem between a valve open position and a valve closed position; a segmented collar, the segmented collar including a plurality of circumferentially spaced elongate slots such that collar segments move radially with respect to the valve body between a radially retracted position and a radially expanded position; a plurality of internal threads on the segmented collar for engagement with a mating thread on a fluid containing system, the internal threads movable radially inward and outward in response to axial movement of a retaining collar; the retaining collar radially outward of the segmented collar for containing the segmented collar and moving the segmented collar to the radially retracted position when axially moved away from the cam operated mechanism and supporting one or more torque transfer members for rotationally driving the segmented collar with the retaining collar; a safety collar axially moveable with respect to the valve body, axial movement of the safety collar away from the cam operated mechanism causing axial movement of the retaining collar; and an interference member supported on the cam operated mechanism, the interference member engaging the safety collar to prevent full or partial opening of the valve until the safety collar is moved axially away from the cam operated mechanism.