News / Press Releases

LATEST RELEASE: April 2018

MSS PUBLISHES NEW LOW PRESSURE KNIFE GATE VALVE STANDARD

MSS announces the publication of NEW Standard Practice SP-154-2018, Low Pressure Knife Gate Valves for Double Block and Bleed ...

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March 2018

MSS PUBLISHES REVISED STANDARD FOR LIVE-LOADED VALVE STEM PACKING SYSTEMS

MSS announces the publication of revised Standard Practice SP-143-2018 (Live-Loaded Valve Stem Packing Systems) ...

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Recent Publications

SP-44-2016       SP-122-2017       SP-143-2018       SP-151-2016       SP-152-2017      

SP-153-2017       SP-154-2018      

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: April 2018  Opened: February 2009

Project: 09-18  Committee: C-310  Standard: New SP Action: New

INSTALLATION OF GEAR & POWER ACTUATORS

In Committee Review/Ballot Prep as of 3/26/2014 (TF Draft for Chair Review/Approval/Direction). CC requested (4/2014) that the C-310 Chair revise draft and submit to the CC for Title & Scope approval and committee jurisdiction.


Updated: March 2018  Opened: July 2017

Project: 17-03  Committee: C-409  Standard: New SP Action: New

LOW PRESSURE DOUBLE BLOCK AND BLEED TYPE KNIFE GATE VALVES

Approved as New SP-154-2018. Project number assigned 7/14/2017.




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May 21, 2018

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