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July 2020

MSS PUBLISHES REVISED AMERICAN NATIONAL STANDARD FOR PRESSURE-SEAL BONNET VALVES

MSS announces that ANSI/MSS SP-144-2020, Pressure-Seal Bonnet Valves, has been approved by the American National Standards Institute (ANSI) as a revised American National Standard (ANS) and published …

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July 2020

MSS PUBLISHES REVISED STANDARD FOR FABRICATED TAPPING SLEEVES

MSS announces that SP-124-2020, Fabricated Tapping Sleeves, has been revised and published …

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May 2020

MSS PUBLISHES NEW STANDARD FOR PHOSPHATE SURFACE PROTECTIVE COATINGS

MSS announces that NEW SP-157-2020, Quality Standard for Phosphate Surface Protective Coatings for Valves, Fittings, and Related Steel Piping Components, has been published …

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May 2020

MSS PUBLISHES REVISED STANDARD FOR GRAY-IRON AND DUCTILE-IRON TAPPING SLEEVES

MSS announces that SP-111-2020, Gray-Iron and Ductile-Iron Tapping Sleeves, has been revised and published …

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April 2020

MSS PUBLISHES REVISED STANDARD FOR RESILIENT-SEATED CAST IRON ECCENTRIC PLUG VALVES

MSS announces that SP-108-2020, Resilient-Seated Cast Iron Eccentric Plug Valves, has been revised and published …

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April 2020

MSS PUBLISHES REVISED STANDARD FOR PROTECTIVE COATINGS FOR THE INTERIOR OF VALVES, HYDRANTS, AND FITTINGS

MSS announces that SP-98-2020, Protective Coatings for the Interior of Valves, Hydrants, and Fittings, has been revised and published …

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April 2020

MSS PUBLISHES REVISED AMERICAN NATIONAL STANDARD FOR STEEL PIPELINE FLANGES

MSS announces that ANSI/MSS SP-44-2019, Steel Pipeline Flanges, has been approved by the American National Standards Institute (ANSI) as a revised American National Standard (ANS) and published …

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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 ...

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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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February 2020

MSS PUBLISHES REVISED STANDARD FOR DRAIN AND BYPASS CONNECTIONS

MSS announces that SP-45-2020, Drain and Bypass Connections, has been revised and published ...

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August 5, 2020

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