Table of Contents

1 Scope
2 Normative References
3 Terms and Definitions
4 Pressure-relief Devices
5 Procedures for Sizing
Annex A (informative) - Rupture Disk Device Specification
        Sheet
Annex B (informative) - Review of Flow Equations Used in
        Sizing Pressure-relief Devices
Annex C (informative) - Sizing for Two-phase Liquid/Vapor
        Relief
Annex D (informative) - Pressure-relief Valve Specification
        Sheets
Annex E (informative) - Capacity Evaluation of Rupture Disk
        and Piping System 100% Vapor Flow and Constant Pipe
        Diameter
Bibliography

Abstract

Pertains to the sizing and selection of pressure-relief devices used in refineries, chemical facilities, and related industries for equipment that has a maximum allowable working pressure (MAWP) of 15 psig (103 kPag) or greater.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	American Petroleum Institute
Pages
ISBN
Supersedes	API 520-1 : 2008