Patent ID: 7448407

Claim:
A valve comprising: a) a base having i) a body through which a bore extends, ii) a mounting flange, wherein said mounting flange radiates from the base body, and iii) a depression displaced from said flange; b) a first seal and a second seal; c) an insert having a body adapted to mount in the bore of said base and engage said first seal with said first seal having a portion between said insert and said base, wherein the insert body includes a flow bore and wherein an arm having a flanged surface is mounted to move relative to the insert body such that the flanged surface mates with the depression at said body, whereby said insert can be inserted, restrained and withdrawn from said base upon pivoting said arm relative thereto a predetermined distance; and d) a valve piece having a stem adapted to mount in the bore of said insert and wherein a surface of said valve piece mates in sealing engagement with the second seal having a portion disposed between said insert at said flow bore and said valve piece.