USAGE MONITORING SYSTEM AND METHOD
An apparatus for monitoring the usage of at least one maintainable part or component of a transfer valve or coupling comprises : data storage means for storing data representative of at least one attribute of the maintainable part or component of the valve or coupling; monitoring means for monitoring usage of the valve or coupling; and processing means for comparing the monitored usage of the valve or coupling against the at least one attribute of the maintainable part or component of the valve.