LATEST RELEASE: September 2018 MSS PUBLISHES REVISED AMERICAN NATIONAL STANDARD FOR PIPE HANGERS AND SUPPORTS MSS announces that ANSI/MSS SP-58-2018, Standard Marking System for Valves, Fittings, Flanges, and Unions, has been approved by the ANSI as a revised American National Standard (ANS) and published by MSS... September 2018 MSS PUBLISHES REVISED AMERICAN NATIONAL STANDARD MARKING SYSTEM FOR VALVES, FITTINGS, FLANGES, AND UNIONS MSS announces that ANSI/MSS SP-25-2018, Standard Marking System for Valves, Fittings, Flanges, and Unions, has been approved by the ANSI as a revised American National Standard (ANS) and published by MSS...
More Press Releases: |
SP-25-2018
SP-44-2016
SP-58-2018
SP-79-2018
SP-83-2018
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Active American National Standard Projects (ANSI/MSS)
Updated: August 2017 Opened: October 2014 Project: 14-18-ANS Committee: C-409 Standard: SP-135-2010 Action: New HIGH PRESSURE KNIFE GATE VALVES (ANSI-APPROVED AMERICAN NATIONAL STANDARD)
Updated: August 2017 Opened: August 2017 Project: unassigned Committee: C-501 Standard: SP-142-2012 Action: New [PROPOSED NEW ANS] EXCESS FLOW VALVES FOR FUEL GAS SERVICE, NPS 1½ THROUGH 12 ANS PN yet to be assigned.
Active MSS Standard Projects (New Standards)
Updated: July 2018 Opened: April 2015 Project: 17-19 Committee: C-114 Standard: New SP Action: New SPECIAL HIGH-PRESSURE GAS TEST PROCEDURES FOR VALVES A Partial 14-day Re-Ballot for the Revised Draft 6 is now open.
Updated: June 2018 Opened: May 2018 Project: unassigned Committee: C-102 Standard: New SP Action: New UNAPPROVED PROJECT--DUCTILE IRON FLANGES FOR CWP SERVICE A 14-day ballot is available to approve the tile and scope of the new SP. A request will then go to the CC for approval and the assignment of a PN.
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