Flow Control Components With Traceable Indicia

摘要

A valve diaphragm is provided with indicia of origin, batch number, date of manufacture and other information. Critical indicia are disposed on outwardly projecting tabs that can be see when the diaphragm is operatively mounted in the valve. Indicia may be provided on elastomeric and non-elastomeric portions of the diaphragm.

主权项

1. In a diaphragm designed for installation in a flow control assembly, an improvement comprising a plurality of indicia outwardly visible on said diaphragm when installed in said flow control assembly, said indicia providing with respect to said diaphragm identification of at least the manufacturer, month and year of production and batch number.