MSS Publishes Revised Standard SP-6-2021

11 October 2021

The Manufacturers Standardization Society (MSS) of the Valve and Fittings Industry announces that the seminal SP-6-2021, Standard Finishes for Contact Faces of Pipe Flanges and Connecting-End Flanges of Valves and Fittings, has been revised and published by MSS.

For over 91 years, Standard Practice (SP)-6 for standard contact face finishes has served as an industry norm and is referenced in many other technical documents. As one of MSS’s first standards developed, it continues to define a standardized finish for gasket contact faces of pipe flanges and connecting-end flanges of valves and fittings. This Standard Practice is also intended for applications to products for which ASME B16 Standards do not contain complete facing finish requirements or for which there are no such standards.

SP-6 continues to be maintained under the consensus of MSS Technical Committee 102, Iron Flanges & Flanged Fittings (primary), Technical Committee 110, Steel Flanges & Flanged Fittings (secondary), and Technical Committee 201, Non-Ferrous Fittings and Flanges (secondary). The revised Standard Practice, MSS SP-6-2021, is now available from authorized U.S. and global distributors. It has been published in an electronic version (PDF) and in book format.

Courtesy of MSS.