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About This Item

 

Full Description

Standard Practice (SP)-45 has served as an industry norm for over 67 years; covering requirements for connections to valves and fittings to accommodate drains and bypasses in all pressure classes. This 2020 edition includes multiple updates and has added additional drain sizes. SP-45 continues to be maintained under the consensus of MSS Technical Committee 106, Cast Iron Valves.
 

Document History

  1. MSS SP-45-2020

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    Bypass and Drain Connections

    • Most Recent
  2. MSS SP-45-2003 (R2008)


    Bypass and Drain Connections

    • Historical Version
  3. MSS SP-45-1998


    Bypass and Drain Connections

    • Historical Version