LATEST RELEASE: February 2020 MSS PUBLISHES REVISED STANDARD FOR DUCTILE IRON SWING CHECK VALVES MSS announces that SP-136-2020, Ductile Iron Swing Check Valves, has been revised and published ... February 2020 MSS PUBLISHES REVISED STANDARD FOR LIQUID PENETRANT EXAMINATION METHOD MSS announces that SP-93-2020, Quality Standard for Steel Castings and Forgings for Valves, Flanges, Fittings, and Other Piping Components – Liquid Penetrant Examination Method, has been revised and published ...
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SP-43-2019
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Active American National Standard Projects (ANSI/MSS)
Updated: February 2020 Opened: December 2019 Project: 19-10-ANS Committee: C-114 Standard: SP-144-2013 Action: Revise PRESSURE SEAL BONNET VALVES (ANSI-APPROVED AMERICAN NATIONAL STANDARD) ANS processing - Consensus Committee being assembled.
Updated: November 2019 Opened: May 2019 Project: 19-09-ANS Committee: C-110 Standard: SP-44-2016 Action: Revise STEEL PIPELINE FLANGES (ANSI-APPROVED AMERICAN NATIONAL STANDARD) THIS IS A 2017 REISSUE AND REPLACES ORIGINAL 2016 VERSION. Currently in Concencus Committee Balllot as a Revised ANS.
Active MSS Standard Projects (New Standards)
Updated: March 2020 Opened: May 2016 Project: 16-18 Committee: C-304 Standard: New SP Action: New QUALITY STANDARD FOR PHOSPHATE SURFACE PROTECTIVE COATINGS FOR VALVES, FITTINGS, AND RELATED STEEL PIPING COMPONENTS Currently in 30 day CC ballot ending 4/18/2020 (3/19/2020).
Updated: March 2020 Opened: May 2018 Project: 18-05 Committee: C-304 Standard: SP-94-2015 Action: Revise QUALITY STANDARD FOR FERRITIC AND MARTENSITIC STEEL CASTINGS AND FORGINGS FOR VALVES, FLANGES, FITTINGS, AND OTHER PIPING COMPONENTS - ULTRASONIC EXAMINATION METHOD In committee ballot review (3/18/2020).
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