News / Press Releases

LATEST RELEASE: June 2017

MSS PUBLISHES TWO REVISED STANDARDS FOR INSTRUMENT VALVES AND ONE FOR THE SEALING OF RISING STEM VALVES

MSS is pleased to announce the publication of revised SP-99-2016a, Instrument Valves (replaces 2016 edition), SP-105-2016a, Instrument Valves for Code Applications (replaces 2016 edition), and SP-120-2017, Flexible Graphite Packing Sealing for Rising Stem Valves ...

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May 2017

MSS PUBLISHES TWO REVISED STANDARDS FOR BUTTERFLY VALVES

MSS is pleased to announce the publication of revised SP-67-2017, Butterfly Valves and SP-68-2017, High Pressure Butterfly Valves with Offset Design ...

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Recent Publications

SP-6-2017       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-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: July 2017  Opened: May 2016

Project: 16-20  Committee: C-114  Standard: New SP Action: New

SEVERE SERVICE VALVES

Scope and Title Approved by CC Ballot (Oct 2016) and PN-16-20 assigned.


Updated: July 2017  Opened: April 2015

Project: unassigned  Committee: C-114  Standard: New SP Action: New

HIGH INTEGRITY TEST METHODS AND PROCEDURES

The proposed scope and purpose is being revised for re-submission to CC for approval of scope/title and issuance of PN (6/2015). Waiting on direction from Chair or TF Chair.




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August 16, 2017

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