A drain valve to be used with numerous drain applications, such as draining fluid from an engine, includes in an exemplary embodiment a valve body, a first and second o-ring and a valve sleeve.REDUCING VALVES The drain valve eliminates the need for a tool, such as a wrench, to drain the fluid from the engine, for example. The drain valve includes a twist-and-pull valve sleeve feature to manipulate the valve; however, the valve sleeve remains on the drain valve and therefore cannot be lost or misplaced.Instrument Manifolds The valve sleeve further includes an easy grip for opening and closing the valve. The drain valve may include a notch formed on the valve body to serve as a break-away point to permit the valve to break under certain conditions.
A fluid drain valve comprising: a valve body defining a first threaded end, a second end, a first passageway extending through the valve body from the first end to the second end, an annular ramp disposed on the exterior of the valve body, and a notch formed on the valve body, the valve body further defining at least one opening at the second end, a first o-ring mounted on one side of the at least one opening, a second o-ring mounted on the opposite side of the at least one opening, and a valve sleeve mounted to the valve body and over the at least one opening, the valve sleeve defining a second passageway and a sleeve opening, the annular ramp defining an inclined surface to aid in aligning the valve sleeve on the valve body, whereby when the valve sleeve is manipulated, the valve sleeve is partially removed from the valve body and fluid may flow through the at least one opening in the valve body and out the sleeve opening. API Cast Steel Valves

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2011-12-16

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