Patent ID: 9121514
Filing Date: 2015-09-01
Classification: F16K

Abstract:
1. A gate valve, the gate valve comprising: a valve housing comprising a first opening, a second opening and an interior, wherein a gate is configured to move into and out of the interior of the valve housing so as to substantially prevent a flow of liquids through the valve housing when the gate is inserted into the interior of the valve housing; first and second wear rings inserted within the valve housing, the wear rings positioned on either side of the path of the gate so as to partially line the interior of the valve housing; and a retaining ring for securing the first wear ring in the valve housing, the retaining ring configured for extending around at least a portion of the first opening of the valve; the retainer ring comprising a front surface configured to face the exterior of the valve, a back surface configured to face the interior of the valve, an inner surface along the interior circumference of the retaining ring, and an outer surface along the exterior circumference of the retaining ring; wherein the outer surface of the retaining ring is configured to contact the housing of the valve such that the retaining ring applies compressive and shear loads to the housing.