Patent ID: 6523568
Filing Date: 2003-02-25
Classification: F16K,G01N,Y10T

Abstract:
A piping apparatus, comprising:an outer body adapted to couple to a conduit, the outer body formed with a longitudinal bore defining an inner wall, the longitudinal bore having a seating surface; an inner sleeve adapted to threadedly engage the outer body, the inner sleeve having an outer diameter and formed with an inner chamber; a resilient member disposed within the inner chamber, the resilient member operable to allow a probe to be inserted therethrough when the inner sleeve is threadedly engaged with the outer body and a first end of the inner sleeve is engaged with the seating surface; and wherein the inner sleeve, when threadedly engaged with the outer body, is axially movable with respect to the outer body such that when the first end of the inner sleeve is not engaged with the seating surface a flow passage is produced between the outer diameter and the inner wall, the flow passage operable to allow fluid media to escape from the conduit.