LATEST RELEASE: April 2021
MSS PUBLISHES REVISED STANDARD FOR RECOMMENDED RULES AND GUIDELINES FOR SI (METRIC) DATA
MSS announces that SP-86-2021, Recommended Rules and Guidelines for SI (Metric) Data in MSS Standards, has been revised and published …
MSS PUBLISHES REVISED QUALITY STANDARD FOR MAGNETIC PARTICLE EXAMINATION OF STEEL CASTINGS AND FORGINGS FOR VALVES, FLANGES, FITTINGS, AND OTHER PIPING COMPONENTS
MSS announces that SP-53-2021, Quality Standard for Steel Castings and Forgings for Valves, Flanges, Fittings, and Other Piping Components, has been revised and published …
Active American National Standard Projects (ANSI/MSS)
Updated: April 2021 Opened: March 2017
Project: 17-01-ANS Committee: C-115 Standard: SP-105-2016 Action: New
INSTRUMENT VALVES FOR CODE APPLICATIONS
Committee reported they will continue the ANSI canvas process concurrently with the SP-105 review/revision as of 5/9/2019. No further ANSI action since.
Updated: April 2021 Opened: October 2020
Project: 20-19-ANS Committee: C-304 Standard: SP-55-2011 Action: Revise
QUALITY STANDARD FOR STEEL CASTINGS FOR VALVES, FLANGES, FITTINGS, AND OTHER PIPING COMPONENTS - VISUAL METHOD FOR EVALUATION OF SURFACE IRREGULARITIES (ANSI-APPROVED AMERICAN NATIONAL STANDARD)
PINS period is over and staff informed Chair there were no inquiries or conflicts (12/14/2020).
Active MSS Standard Projects (New Standards)
Updated: April 2021 Opened: May 2016
Project: 16-20 Committee: C-114 Standard: New SP Action: New
GUIDELINES FOR CLASSIFYING THE SEVERITY OF VALVE SERVICE CONDITIONS
In committee ballot review (2/23/2021).
Updated: April 2021 Opened: February 2009
Project: 09-18 Committee: C-310 Standard: New SP Action: New
INSTALLATION OF GEAR & POWER ACTUATORS
Staff sent baseline draft to start work on (4/17/2019). No further updates since.