MSS SP 86
Guidelines for Metric Data in Standards for Valves, Flanges, Fittings and Actuators
|Publication Date:||1 January 2002|
This Standard Practices establishes recommended rules and guidelines for determining metric units and numbers when needed for use in MSS valve, flange, fitting, and actuator Standard Practices.
This Standard Practice provides recommended rules and guidelines
to be followed by MSS Technical Committees while developing or
revising Standard Practices or other documents in which there is
need to use both inch and metric dimensions. Where both units are
included, the standards-developing
a) In textual references, immediately following the preferred unit in the text and be separated by parentheses or
b) In tabular references, be included in separate columns or presented at the end of the document in the form of an annex.