• Available Formats
    • Options
    • Availability
    • Priced From ( in USD )
    • Secure PDF

      Secure PDF Files

      Secure PDF files include digital rights management (DRM) software. DRM is included at the request of the publisher, as it helps them protect their copyright by restricting file sharing. In order to read a Secure PDF, you will need to install the FileOpen Plug-In on your computer. The FileOpen Plug-In works with Adobe Reader and other viewers. Visit FileOpen to see the full list.

        What you can do with a Secure PDF:
      • Print
      • Search
      • Highlight
      • Bookmark
      Please note that some publishers - including BOMA, IADC and ICML - do not allow printing of their documents.

    • 👥
    • Immediate download
    • $75.00
    • Add to Cart
    • Printed Edition
    • Ships in 1-2 business days
    • $75.00
    • Add to Cart
    • Printed Edition + PDF
    • Immediate download
    • $109.00
    • Add to Cart

Customers Who Bought This Also Bought


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


    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