LATEST RELEASE: March 2021
MSS PUBLISHES REVISED STANDARD FOR DIAPHRAGM VALVES
MSS announces that SP-88-2021, Diaphragm Valves, has been revised and published …
MSS PUBLISHES REVISED STANDARD FOR PRESSURE TESTING OF KNIFE GATE VALVES
MSS announces that SP-151-2021, Pressure Testing of Knife Gate Valves, has been revised and published …
Active American National Standard Projects (ANSI/MSS)
Updated: January 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)
MSS is currently accepting participants to work on standard BSR/MSS SP-135-202x, High Pressure Knife Gate Valves (revision of ANSI/MSS SP-135-2016). Please contact firstname.lastname@example.org to participate.
Updated: November 2020 Opened: October 2020
Project: 20-19-ANS Committee: C-304 Standard: SP-55-2011 Action: Revise
QUALITY STANDARD FOR STEEL CASTINGS FOR VALVES, FLANGES, FITTINGS, AND OTHER PIPING COMPONENTS - VISUAL METHOD FOR EVALUATION OF SURFACE IRREGULARITIES (ANSI-APPROVED AMERICAN NATIONAL STANDARD)
Staff submitted PINS form. PINS period is over on 12/13/2020.
Active MSS Standard Projects (New Standards)
Updated: November 2020 Opened: February 2010
Project: 10-05 Committee: C-403 Standard: New SP Action: New
CABLE SUSPENSION OF PIPE – MATERIALS, SELECTION, APPLICATION, AND INSTALLATION
Committee gathering documentation to help resolve negative comments from last ballot in January. Documentation to be discussed in December meeting (10/23/2020).
Updated: November 2020 Opened: April 2015
Project: 17-19 Committee: C-114 Standard: New SP Action: New
SPECIAL HIGH-PRESSURE GAS TEST PROCEDURES FOR VALVES
In committee ballot review (10/23/2020).