Standard

MSS SP-25

Revised

Note: This standard has a new edition: MSS SP-25

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Abstract

This marking system applies to valves, fittings, flanges, and unions used in piping connections which include (but are not limited to) flanged, soldered, brazed, threaded, or welded joints. These specified markings serve to identify the manufacturer, the rating designation, materials of construction and special service limitations imposed by the manufacturer. They are used for product identification

Document information

  • Standard from MSS_AC
  • Published:
  • Version: 0
  • Document type: IS