News / Press Releases

LATEST RELEASE: October 2017

MSS PUBLISHES BOLTING AMENDMENT TO DUCTILE IRON VALVE STANDARD

MSS announces the release of an important "bolting" Amendment to existing SP-136-2014 ...

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September 2017

MSS PUBLISHES A REISSUE AND ERRATA FOR STEEL PIPELINE STANDARD

MSS announces the publication of the 2017 Reissue of ANSI/MSS SP-44-2016, Steel Pipeline Flanges! This is not a revision and is referenced as “ANSI/MSS SP-44-2016 (2017 Reissue)” and an Errata Sheet to the current ANSI/MSS SP-44-2016 (corresponds with errata corrections in 2017 Reissue and is meant for those that have already acquired the standard) ...

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Recent Publications

SP-6-2017       SP-44-2016       SP-60-2017       SP-67-2017       SP-68-2017      

SP-81-2017       SP-96-2017       SP-99-2016a       SP-105-2016a       SP-112-2016      

SP-113-2017       SP-115-2017       SP-120-2017       SP-124-2016       SP-135-2016      

SP-131-2017       SP-132-2016       SP-136-2014       SP-140-2017       SP-151-2016      

Projects

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: October 2017  Opened: October 2017

Project: 17-20  Committee: C-115  Standard: New SP Action: New

INSTRUMENT VALVE DESIGN QUALIFICATIONS FOR LOW FUGITIVE EMISSION SERVICE

CC Approved of proposed Scope, Purpose (as amended) & Title for new SP, approved of Project and issuance of a PN on 9/26/2017. PN assigned by staff on 10/11/2017. MSS Staff assigned PN-17-21 on 10/11/2017.


Updated: August 2017  Opened: April 2015

Project: 17-19  Committee: C-114  Standard: New SP Action: New

SPECIAL HIGH-PRESSURE GAS TEST PROCEDURES FOR VALVES

In Committee/TF Development--PN assigned by CC on 5/13/2017. The proposed title and scope were revised for re-submission to CC for approval and issuance of PN, which was approved by CC, as Amended, on 8/15/2017.




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October 20, 2017

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