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News and Press Releases

LATEST RELEASE: May 2021

MSS AWARDS FIVE SCHOLARSHIPS TO ENGINEERING STUDENTS

MSS is pleased to announce the 2021 recipients of the MSS/Tom Hannafin Scholarship Awards...

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April 2021

MSS PUBLISHES REVISED STANDARD FOR CLASS 150LW CORROSION RESISTANT FLANGES AND CAST FLANGED FITTINGS

MSS announces that SP-51-2021, Class 150LW Corrosion Resistant Flanges and Cast Flanged Fittings, has been revised and published …

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Recent Publications

SP-45-2020       SP-51-2021       SP-53-2021       SP-86-2021       SP-88-2021      

SP-93-2020       SP-94-2020       SP-98-2020       SP-100-2020       SP-108-2020      

SP-111-2020       SP-124-2020       SP-136-2020       SP-137-2020       SP-144-2020      

SP-151-2021       SP-157-2020      

Projects

Active American National Standard Projects (ANSI/MSS)

Updated: April 2021  Opened: September 2020

Project: 20-04-ANS  Committee: C-304  Standard: SP-138-2014 Action: Revise

QUALITY STANDARD PRACTICE FOR OXYGEN CLEANING OF VALVES AND FITTINGS (ANSI-APPROVED AMERICAN NATIONAL STANDARD)

In committee ballot review - no further ANSI action needed at this time (11/25/2020).


Updated: April 2021  Opened: October 2020

Project: 20-20-ANS  Committee: C-409  Standard: SP-135-2016 Action: Revise

HIGH PRESSURE KNIFE GATE VALVES (ANSI-APPROVED AMERICAN NATIONAL STANDARD)

In ANSI committee ballot review due to negative vote (4/5/2021).


Active MSS Standard Projects (New Standards)

Updated: April 2021  Opened: April 2015

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

SPECIAL HIGH-PRESSURE GAS TEST PROCEDURES FOR VALVES

Finalizing for publication (4/7/2021).


Updated: April 2021  Opened: October 2018

Project: 20-02  Committee: C-408  Standard: New SP Action: New

DESIGN REQUIREMENTS FOR ACTUATOR-TO-VALVE MOUNTING COMPONENTS

Title/Scope approved and PN assigned. In committee development (3/16/2020).




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May 17, 2021

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