LATEST RELEASE: September 2019 MSS PUBLISHES REVISED STANDARD FOR HIGH-PRESSURE FLANGES AND THREADED STUBS MSS announces that SP-65-2019, High-Pressure Chemical Industry Flanges and Threaded Stubs for Use With Lens Gaskets, has been revised and published by MSS ... May 2019 MSS PUBLISHES REVISED STANDARD FOR CAST COPPER ALLOY FLANGES AND FLANGED FITTINGS MSS announces that SP-106-2019, Cast Copper Alloy Flanges and Flanged Fittings: Class 125, 150, and 300 has been revised and published by MSS ...
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SP-9-2018
SP-25-2018
SP-44-2016
SP-58-2018
SP-65-2019
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Active American National Standard Projects (ANSI/MSS)
Updated: August 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. CC approved request for ANSI Processing Approval (Revision) and the submittal of a Project Initiation Form (PINS).
Updated: May 2019 Opened: March 2017 Project: 17-01-ANS Committee: C-115 Standard: SP-105-2016 Action: New INSTRUMENT VALVES FOR CODE APPLICATIONS Project assigned by CC on 3/26/2017. MSS Board approved (as of 3/8/2016) a request by C-115 and its Chair (J. Krance on 12/22/2016) to seek ANSI ANS approval for MSS SP-105-2016.
Active MSS Standard Projects (New Standards)
Updated: May 2019 Opened: February 2009 Project: 09-16 Committee: C-310 Standard: New SP Action: New MODIFICATION OF QUARTER TURN VALVES In 14-day TC balloting (5/29/2019)
Updated: May 2019 Opened: May 2016 Project: 16-17 Committee: C-106 Standard: New SP Action: New DUCTILE IRON, METAL-SEATED, NON-LUBRICATED, ECCENTRIC PLUG VALVES In publication processing (5/17/2019)
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