VALVE ASSEMBLY HAVING A UNITARY VALVE SLEEVE

摘要

A VALVE ASSEMBLY PREFERABLY INCLUDING A HOUSING HAVING A RECESS AND A FLANGE FACE AND A VALVE SLEEVE DISPOSED WITHIN THE RECESS. THE SLEEVE PREFERABLY INCLUDES AN ANNULUS HAVING AN OUTER SURFACE AND AN INNER SURFACE THAT DEFINES A PASSAGEWAY ABOUT A CENTRAL AXIS, THE OUTER AND INNER SURFACES BEING RADIALLY SPACED FROM ONE ANOTHER TO DEFINE A WALL. THE WALL HAS A FIRST END PORTION AND A SECOND END PORTION AXIALLY SPACED FROM THE FIRST END PORTION, AND HOMOGENOUS MATERIAL PROPERTIES FROM THE FIRST END PORTION TO THE SECOND END PORTION. PREFERABLY, THE FIRST END PORTION DEFINES A LIP FOR SUPPORTING THE ANNULUS IN THE RECESS AND FURTHER DEFINES A FIRST CHAMBER THAT ENCASES AT LEAST A PORTION OF A FIRST SUPPORT MEMBER. THE SECOND END PORTION PREFERABLY DEFINES A FLANGE PORTION ALONG THE OUTER SURFACE FOR ENGAGING THE FLANGE AND FURTHER DEFINES A SECOND CHAMBER THAT ENCASES AT LEAST A PORTION OF A SECOND SUPPORT MEMBER.