News / Press Releases

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November 2017

MSS PUBLISHES STANDARD FOR MODIFICATION OF NEW WATER WORKS VALVES

MSS is pleased to announce the publication of NEW MSS SP-153-2017, Modification of New Water Works Valves ...

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October 2017

MSS PUBLISHES BOLTING AMENDMENT TO DUCTILE IRON VALVE STANDARD

MSS announces the release of an important "bolting" Amendment to existing SP-136-2014 ...

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October 2017

MSS PUBLISHES NEW KNIFE GATE VALVE STANDARD FOR DOUBLE BLOCK AND BLEED

MSS is pleased to announce the publication of NEW SP-152-2017, Knife Gate Valves for Double Block and Bleed

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September 2017

MSS C-111 Product Advisory for Waterworks Products Exposed to Floodwater

This Informational-only Product Advisory has been prepared by Committee 111 and released by MSS as a service to the industry, municipalities, and others affected by floodwater...

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September 2017

MSS PUBLISHES A REISSUE AND ERRATA FOR STEEL PIPELINE STANDARD

MSS announces the publication of the 2017 Reissue of ANSI/MSS SP-44-2016, Steel Pipeline Flanges! This is not a revision and is referenced as “ANSI/MSS SP-44-2016 (2017 Reissue)” and an Errata Sheet to the current ANSI/MSS SP-44-2016 (corresponds with errata corrections in 2017 Reissue and is meant for those that have already acquired the standard) ...

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June 2017

MSS PUBLISHES TWO REVISED STANDARDS FOR INSTRUMENT VALVES AND ONE FOR THE SEALING OF RISING STEM VALVES

MSS is pleased to announce the publication of revised SP-99-2016a, Instrument Valves (replaces 2016 edition), SP-105-2016a, Instrument Valves for Code Applications (replaces 2016 edition), and SP-120-2017, Flexible Graphite Packing Sealing for Rising Stem Valves ...

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May 2017

MSS PUBLISHES TWO REVISED STANDARDS FOR BUTTERFLY VALVES

MSS is pleased to announce the publication of revised SP-67-2017, Butterfly Valves and SP-68-2017, High Pressure Butterfly Valves with Offset Design ...

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May 2017

MSS PUBLISHES TWO REVISED STANDARDS INVOLVING THE TAPPING OF VALVES

MSS announces the publication of revised Standard Practices SP-60-2017 (Connecting Flange Joints between Tapping Sleeves and Tapping Valves) and SP-113-2017 (Connecting Joints between Tapping Machines and Tapping Valves) ...

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April 2017

MSS PUBLISHES AMENDMENTS TO TWO TAPPING SLEEVE STANDARDS

MSS announces the publication of revisions to existing Standard Practices SP-111-2015 and SP-124-2016 ...

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April 2017

MSS PUBLISHES REVISED AMERICAN NATIONAL STANDARD FOR VALVE AND FITTINGS TERMINOLOGY

MSS is pleased to announce the publication of the substantially revised and ANSI-approved ANSI/MSS SP-96-2017, Terminology for Valves, Fittings, and Their Related Components, ...

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April 2017

MSS PUBLISHES REVISED STANDARD FOR STAINLESS-STEEL OR STAINLESS-STEEL-LINED, BONNETLESS, KNIFE GATE VALVES WITH FLANGED ENDS

MSS is pleased to announce the publication of revised SP-81-2017, Stainless-Steel or Stainless-Steel-Lined, Bonnetless, Knife Gate Valves with Flanged Ends, ...

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March 2017

MSS PUBLISHES REVISED “FINISH” STANDARD FOR THE GASKET CONTACT FACES OF PIPE FLANGES AND CONNECTING-END FLANGES OF VALVES AND FITTINGS

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January 2017

MSS Publishes Revised Natural Gas Service Standards for Excess Flow and Manual Distribution Valves

MSS is pleased to announce the publication of the following revised Standard Practices: SP-115-2017, Excess Flow Valves, NPS 11/4 and Smaller, for Natural Gas Service and MSS SP-131-2017, Metallic Manually Operated Gas Distribution Valves ...

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January 2017

MSS PUBLISHES REVISED QUALITY STANDARD FOR VALVES AND FITTINGS INTENDED FOR SILICONE-FREE SERVICE

MSS is pleased to announce the publication of the following revised Standard Practice: MSS SP-140-2017, Quality Standard Practice for Preparation of Valves and Fittings for Silicone-Free Service ...

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December 18, 2017

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