This Standard Practice has been developed to serve two functions:

1) To assist the users of valves and fittings in communicating with their manufacturers.

2) To promote standardization in the usage of terms within the industry.

This Standard Practice lists and defines principle terms and acronyms widely used to describe general purpose valves and fittings. It is comprised of separate sections which contain:

Acronyms for organizations whose documents are applicable to valves and fittings and a brief summary of the applicable area of interest.

A glossary of terms used in valve and fittings specifications to describe design, operation, and performance characteristics.

Abbreviations commonly used in the valve and fittings industry.