News / Press Releases

LATEST RELEASE: October 2018

MSS PUBLISHES REVISED STANDARD FOR PRESSURE FITTINGS

MSS announces that technical standard SP-109-2018, Weld-Fabricated, Copper Solder-Joint Pressure Fittings has been revised and published ...

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October 2018

MSS PUBLISHES TWO REVISED STANDARDS FOR CHECK VALVES

MSS announces that technical standards SP-71-2018, Gray Iron Swing Check Valves, Flanged and Threaded Ends and SP-125-2018, Check Valves: Gray Iron and Ductile Iron, In-Line, Spring-Loaded, Center-Guided have been revised and published ...

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Recent Publications

SP-25-2018       SP-44-2016       SP-58-2018       SP-71-2018       SP-79-2018      

SP-83-2018       SP-104-2018       SP-109-2018       SP-122-2017       SP-125-2018      

SP-143-2018       SP-153-2017       SP-154-2018       SP-155-2018      

Projects

Active American National Standard Projects (ANSI/MSS)

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.


Updated: January 2016  Opened: March 2013

Project: 13-02-ANS  Committee: C-108  Standard: SP-114-2007 Action: Revise

CORROSION RESISTANT PIPE FITTINGS THREADED AND SOCKET WELDING CLASS 150 AND 1000 (ANSI-APPROVED AMERICAN NATIONAL STANDARD)

Revised draft Approved and in Revised ANS Processing.


Active MSS Standard Projects (New Standards)

Updated: October 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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November 17, 2018

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