Patent ID: 6206032
Filing Date: 2001-03-27
Classification: F16K,Y10T

Abstract:
A high pressure fitting comprising:an inlet passageway;an outlet passageway;a valve seat disposed interiorly of said fitting between said inlet passageway and said outlet passageway;a displaceable plunger;a valve element comprising a ball controlled by said plunger for selectively blocking said valve seat to close the fitting;said displaceable plunger comprising a crown for seating and centering said ball and a shaft integral with said crown;a return spring for normally yieldably biasing said plunger and said valve element ball towards said valve seat, said return spring coaxially captivated upon said plunger shaft; and,guide means within said outlet passageway for anchoring said return spring and controlling said plunger, said guide means comprising a counterbore for anchoring said return spring and a central passageway that registers with at least a portion of said plunger shaft.