LATEST RELEASE: September 2021
MSS PUBLISHES REVISED STANDARD FOR COPPER-NICKEL FITTINGS
MSS announces that SP-129-2021, Copper-Nickel Fittings, has been revised and published …
MSS PUBLISHES REVISED “FINISH” STANDARD FOR CONTACT FACES OF PIPE FLANGES AND CONNECTING-END FLANGES OF VALVES AND FITTINGS
MSS announces that SP-6-2021, Standard Finishes for Contact Faces of Pipe Flanges and Connecting-End Flanges of Valves and Fittings, has been revised and published …
Active American National Standard Projects (ANSI/MSS)
Updated: October 2021 Opened: October 2020
Project: 20-20-ANS Committee: C-409 Standard: SP-135-2016 Action: Revise
HIGH PRESSURE KNIFE GATE VALVES (ANSI-APPROVED AMERICAN NATIONAL STANDARD)
ANS Recirculation ballot has been sent out. Ballot ends 11/19/2021. (10/20/2021).
Updated: September 2021 Opened: September 2020
Project: 20-04-ANS Committee: C-304 Standard: SP-138-2014 Action: Revise
QUALITY STANDARD PRACTICE FOR OXYGEN CLEANING OF VALVES AND FITTINGS (ANSI-APPROVED AMERICAN NATIONAL STANDARD)
In MSS committee ballot review - no further ANSI action needed at this time (11/25/2020).
Active MSS Standard Projects (New Standards)
Updated: September 2021 Opened: February 2009
Project: 09-16 Committee: C-310 Standard: New SP Action: New
MODIFICATION OF QUARTER TURN VALVES
In committee ballot results review (8/12/2021).
Updated: September 2021 Opened: February 2010
Project: 10-05 Committee: C-403 Standard: New SP Action: New
CABLE SUSPENSION OF PIPE – MATERIALS, SELECTION, APPLICATION, AND INSTALLATION
Committee still gathering more information to resolve negative votes from last ballot (4/28/2021).