Patent ID: 7004197
Filing Date: 2006-02-28
Classification: F16K,Y10T

Abstract:
1. A valve assembly comprising: a one piece valve stem having a stem portion and a valve element integrally formed at an end of said stem portion, said valve element projecting downwardly from said stem portion including at least one opening and having a sealing surface formed thereon; an insert having at least one insert orifice formed therethrough and a recess surrounding said at least one orifice; a resilient seal having at least one seal orifice formed therethrough, said resilient seal disposed in said recess such that said at least one seal orifice aligns with said at least one insert orifice; a valve disk disposed within said recess of said insert and interposed between said resilient seal and said valve stem such that said resilient seal biases said valve disk into sealing contact with said sealing surface of said valve element, said valve disk having at least one orifice to selectively provide fluid communication through said valve disk upon rotation of said valve stem to position said at least one opening of said integral valve element relative to said at least one orifice of said valve disk; wherein at least one of said sealing surface and said valve disk are coated with a low-friction material.