MSS SP-72-2010a

This Standard Practice covers flanged orbutt-weld end ball valves having in general, but notrestricted to, round openings which may be full port,regular port, or reduced port types. The followingcharacteristics shall be considered standard practiceunless otherwise specified by agreement betweenmanufacturer and purchaser.

Valves covered by this Standard Practice aresuitable for use in general liquid and gas service.Their service pressures and temperatures generallyconform to standards cited in Paragraph 2, but maybe restricted by the materials used for their seatsand seals, or by other special considerations.

The 2010a Edition of MSS SP-72 updates the replaced 2010 Edition by: (1) re-including (from previous editions) Section3.1.2 and the first sentence of Section 5.3.1; (2) additional descriptive notes were inserted in Sections 7.1.4 and 7.2.2; (3)the equation in Section 7.2.4.3 was clarified; (4) corrected the definition of MYS1 in Section 7.1.4 and AYS2 inSection 7.1.4; (5) corrected the definition of AYS5 and AYS6 in Section 7.2.2; and (6) additional editorial andconforming corrections.

This product referenced by:ANSI/ASME B16.38-2012 - Ball Valves with Flanged or Butt-Welding Ends for General Service
This product replaces:MSS SP-72-2010 - Ball Valves with Flanged or Butt-Welding Ends for General Service