Patent ID: 6286875
Filing Date: 2001-09-11
Classification: F16L

Abstract:
An electrically insulated conduit adapted to carry combustible gas, comprisinga metal conduit having a radially enlarged integral flange at one end thereof,the flange having a seal supporting end face at the longitudinal outer end thereof, wherein the end face is adapted to be positioned adjacent a mating surface of a spud of a component to be joined to the flange in sealing engagement,the flange having an inner bore, wherein the bore has an axis,an elastomeric integral seal in engagement with the flange,the seal having an end face abutting portion, wherein the end face abutting portion abuts the end face of the flange,the end face abutting portion having an outermost face,the seal extending inside the flange bore,the seal further including a tubular pilot,the pilot having an outer peripheral surface, wherein the outer peripheral surface is radially inward of the end face,the pilot outer peripheral surface extending axially outward of the outermost face.