Patent ID: 6642724
Filing Date: 2003-11-04
Classification: F16K,G01N

Abstract:
A valve seating for a valve of a container having a conductive metal body and a protective layer on an inner surface of the container to protect the body of the container from contents of the container, the valve seating interacting with a valve piston to control flow of the contents through the valve, the valve seating being adapted for monitoring of a condition of the protective layer on the inner surface of the container by monitoring an electrical current through the protective layer and comprising:a generally tubular body for receiving the piston and having, an upper surface mating with the piston in a sealing relationship, and an exterior surface mating with a valve opening in the container in a sealing relationship, and at least a first electrode exposed to the contents of the container which is one of attached to and integral with the valve seating, at least the first electrode being of a conductive material compatible with the valve seating and connectable to an monitoring apparatus for monitoring the condition of the protective layer on the inner surface of the container.