News / Press Releases

LATEST RELEASE: May 2019

MSS PUBLISHES REVISED STANDARD FOR CAST COPPER ALLOY FLANGES AND FLANGED FITTINGS

MSS announces that SP-106-2019, Cast Copper Alloy Flanges and Flanged Fittings: Class 125, 150, and 300 has been revised and published by MSS ...

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May 2019

MSS PUBLISHES REVISED STANDARD FOR FORGED BRANCH OUTLET FITTINGS

MSS announces that the revised  MSS SP-97-2019, Integrally Reinforced Forged Branch Outlet Fittings: Socket Welding, Threaded, and Buttwelding Ends has been published ...

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Recent Publications

SP-9-2018       SP-25-2018       SP-44-2016       SP-58-2018       SP-71-2018      

SP-79-2018       SP-83-2018       SP-95-2018       SP-97-2019       SP-104-2018      

SP-106-2019       SP-109-2018       SP-114-2018       SP-122-2017       SP-123-2018      

SP-125-2018       SP-143-2018       SP-149-2018       SP-153-2017       SP-154-2018      

SP-155-2018      

Projects

Active American National Standard Projects (ANSI/MSS)

Updated: May 2019  Opened: May 2019

Project: 19-09-ANS  Committee: C-110  Standard: SP-44-2016 Action: Revise

Steel Pipeline Flanges (ANSI-approved American National Standard) This is a 2017 Reissue and replaces original 2016 version.

CC approved request for ANSI Processing Approval (Revision) and the submittal of a Project Initiation Form (PINS).


Updated: May 2019  Opened: March 2017

Project: 17-01-ANS  Committee: C-115  Standard: SP-105-2016 Action: New

INSTRUMENT VALVES FOR CODE APPLICATIONS

Project assigned by CC on 3/26/2017. MSS Board approved (as of 3/8/2016) a request by C-115 and its Chair (J. Krance on 12/22/2016) to seek ANSI ANS approval for MSS SP-105-2016.


Active MSS Standard Projects (New Standards)

Updated: May 2019  Opened: February 2009

Project: 09-16  Committee: C-310  Standard: New SP Action: New

MODIFICATION OF QUARTER TURN VALVES

In 14-day TC balloting (5/29/2019)


Updated: May 2019  Opened: May 2016

Project: 16-17  Committee: C-106  Standard: New SP Action: New

DUCTILE IRON, METAL-SEATED, NON-LUBRICATED, ECCENTRIC PLUG VALVES

In publication processing (5/17/2019)




Today is Tuesday
July 16, 2019

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