• 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
    • $119.00
    • Add to Cart
    • Printed Edition
    • Ships in 1-2 business days
    • $119.00
    • Add to Cart
    • Printed Edition + PDF
    • Immediate download
    • $202.00
    • Add to Cart

Customers Who Bought This Also Bought


About This Item


Full Description

This recommended practice (RP) provides recommendations for evaluation of a manufacturer's valve construction and quality management system for the purpose of determining a manufacturer's capability to provide new valves manufactured in accordance with applicable standards listed. Testing per this recommended practice that does not have an established requirement in the applicable standard is for information only.

Document History

  1. API RP 591


    Process Valve Qualification Procedure, Sixth Edition

    • Most Recent
  2. API RP 591

    Process Valve Qualification Procedure, Fifth Edition

    • Historical Version
  3. API RP 591

    Process Valve Qualification Procedure, Fourth Edition

    • Historical Version
  4. API RP 591

    API Recommended Practice 591, Process Valve Qualification Procedure, Third Edition

    • Historical Version
  5. API 591

    User Acceptance of Refinery Valves

    • Historical Version