LATEST RELEASE: January 2019 MSS PUBLISHES REVISED STANDARD FOR PTFE V-RING PACKING SETS FOR WATERWORKS VALVES MSS announces that technical standard SP-149-2018, Preformed Elastomeric and Polytetrafluoroethylene (PTFE) V-Ring Packing Sets for Waterworks Valves has been revised and published ... January 2019 MSS PUBLISHES REVISED STANDARDS FOR SWAGE(D) NIPPLES AND BULL PLUGS, AND FOR NON-FERROUS UNIONS FOR USE WITH COPPER WATER TUBE MSS announces that technical standard SP-95-2018, Swage(d) Nipples and Bull Plugs and SP-123-2018, Non-Ferrous Threaded and Solder-Joint Unions for Use With Copper Water Tub have been revised and published ...
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Active American National Standard Projects (ANSI/MSS)
Updated: February 2019 Opened: March 2013 Project: 13-02-ANS Committee: C-108 Standard: SP-114-2007 Action: Revise CORROSION RESISTANT PIPE FITTINGS THREADED AND SOCKET WELDING CLASS 150 AND 1000 (ANSI-APPROVED AMERICAN NATIONAL STANDARD) Publication Processing
Updated: August 2017 Opened: August 2017 Project: unassigned Committee: C-501 Standard: SP-142-2012 Action: New [PROPOSED NEW ANS] EXCESS FLOW VALVES FOR FUEL GAS SERVICE, NPS 1½ THROUGH 12 ANS PN yet to be assigned.
Active MSS Standard Projects (New Standards)
Updated: February 2019 Opened: May 2018 Project: 18-04 Committee: C-407 Standard: SP-150-2015 Action: Revise VALVES FOR USE IN HYDROGEN PEROXIDE SERVICE TC ballot review
Updated: November 2018 Opened: May 2016 Project: 16-20 Committee: C-410 Standard: New SP Action: New SEVERE SERVICE VALVES Scope and Title Approved by CC Ballot (Oct 2016) and PN-16-20 assigned. Assigned to new C-410 on 11/2018.
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