Patent ID: 8413684
Filing Date: 2013-04-09
Classification: F16K,Y10T

Abstract:
1. A ball valve, comprising: a valve body having a plurality of ports and a valve chamber therebetween, the plurality of ports and the valve chamber defining a fluid flow passage; a valve member disposed within the valve chamber and defining a flow aperture therethrough, a first and second dynamic valve seal; a fixed seal opposite the first dynamic seal; a pressure plate having an axially extending key and a radially extending key, the radially extending key being received by a slot extending into an interior surface of the valve body; a flow disk carried by the valve body and substantially disposed within the fluid flow passage, the flow disk having a keyway receiving the axially extending key of the pressure plate, the flow disk having an annular sealing rib; wherein the engagement between the radially extending key of the pressure plate and the slot of the valve body and the engagement between the axially extending key of the pressure plate and the keyway of the flow disk prevents angular rotation of the flow disk relative to the valve body.