Standards update published for valves and fittings industry
The Manufacturers Standardization Society (MSS) of the valve and fittings industry has published the following important update: Errata Sheet for MSS SP-25-2018, Standard Marking System for Valves, Fittings, Flanges, and Unions.
The March 21 document ammends the 12th edition, published in 2018, which was ANSI-approved after being substantively revised, reformatted, and approved by MSS, then submitted unpublished to the ANSI balloting and approval process. Following are the details:
ERRATA SHEET FOR MSS SP-25-2018
(Standard Marking System for Valves, Fittings, Flanges, and Unions)
March 21, 2023
This “normative” errata correction applies to MSS SP-25-2018 edition (current).
NOTE THE FOLLOWING CORRECTIONS:
- Page 21, Annex B, Marking Requirements for B13.7.3. Correct the data for Material Designation, “F1, ASTM182, B16, or WP1” to read “F1, ASTM A182, or WP1”.
- Page 23, Annex B, Marking Requirements for B14.1.2. Correct the data for Material Designation, “WPB” to read “A105”.
- Page 23, Annex B, Marking Requirements for B14.1.3. Correct the data for Material Designation, “WPB” to read “A182 F1.” No other corrections.
This Errata Sheet is intended for those who obtained the Standard Practice before the March 21, 2023 errata publication date indicated above or otherwise do not already have this information. Please include this Errata Sheet within your existing 2018 edition of the Standard Practice.
Future editions of this Standard Practice will include this corrected information.
The Errata Sheet can also be accessed at ymaws.com
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