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 ...
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 ...
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)