Patent ID: 6857315

Claim:
An armored sight gauge assembly of the type having a sight tube that is placed between first and second spaced apart fittings to show a liquid level comprising: an elongated main body positioned between and permanently connected to said first and second fittings, said main body having a flanged U-shaped frame member to which there is removably affixed a transparent sight tube shield; a sight tube assembly substantially surrounded by said flanged U-shaped frame member on three sides and insertably captured by said first and second fittings; a valve assembly incorporated within the internal portion of each of said first and second fittings; a ball check shutoff incorporated within the internal portion of each of said first and second fittings; and a misalignment union removably attached to each of said first and second fittings, the misalignment union having a process connection and gasket, and a union nut to threadably compress said gasket and connect said process connection to each of said fittings permitting an adaptively parallel connection of misaligned structures, wherein said misalignment union is integral with said sight gauge assembly.