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  • API 526 REDLINE : 2009

    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

    FLANGED STEEL PRESSURE-RELIEF VALVES

    Available format(s): 

    Withdrawn date:  05-02-2024

    Language(s): 

    Published date:  01-01-2009

    Publisher:  American Petroleum Institute

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    Table of Contents - (Show below) - (Hide below)

    1 Scope
    2 Normative References
    3 Terms and Definitions
    4 Responsibility
    5 Conflicting Requirements
    6 Orifice Areas and Designations
    7 Design
    8 Material
    9 Inspection and Shop Tests
    10 Identification and Preparation for Shipment
    11 Pressure-temperature Tables
    Annex A - Pressure-relief Valve Nameplate
              Nomenclature
    Annex B - Pressure-temperature Rating Charts
    Annex C - Bellows Pressure-temperature
              Requested Rating Factors
    Annex D - Valve Selection Examples
    Bibliography

    Abstract - (Show below) - (Hide below)

    Provides a purchase specification for flanged steel pressure-relief valves. Basic requirements are given for direct spring-loaded pressure- relief valves and pilot-operated pressure-relief valves as follows: a) orifice designation and area; b) valve size and pressure rating, inlet and outlet; c) materials; d) pressure-temperature limits; and e) center-to-face dimensions, inlets and outlet.

    General Product Information - (Show below) - (Hide below)

    Document Type Redline
    Publisher American Petroleum Institute
    Status Withdrawn

    Standards Referencing This Book - (Show below) - (Hide below)

    ASME PV CODE 8 DIV 2 : 2017 BOILER AND PRESSURE VESSEL CODE - RULES FOR CONSTRUCTION OF PRESSURE VESSELS DIVISION 2- ALTERNATIVE RULES
    ASME PV CODE 8 DIV 1 : 2017 BOILER AND PRESSURE VESSEL CODE - RULES FOR CONSTRUCTION OF PRESSURE VESSELS DIVISION 1
    ASME PV CODE 2D METRIC : 2017 BOILER AND PRESSURE VESSEL CODE - MATERIALS - PROPERTIES (METRIC)
    ASME B16.5 : 2017 PIPE FLANGES AND FLANGED FITTINGS: NPS 1/2 THROUGH NPS 24 METRIC/INCH STANDARD
    ASME B16.34 : 2017 VALVES - FLANGED, THREADED, AND WELDING END
    ASME PV CODE 2B : 2017 BOILER AND PRESSURE VESSEL CODE - MATERIALS - NONFERROUS MATERIAL SPECIFICATIONS
    ASME PV CODE 2A : 2017 BOILER AND PRESSURE VESSEL CODE - MATERIALS - FERROUS MATERIAL SPECIFICATIONS (BEGINNING TO SA-450) AND (SA-451 TO END)
    ASME PV CODE 2D CUSTOMARY : 2017 BOILER AND PRESSURE VESSEL CODE - MATERIALS - PROPERTIES (CUSTOMARY)
    ASME PV CODE 2C : 2017 BOILER AND PRESSURE VESSEL CODE - MATERIALS - SPECIFICATIONS FOR WELDING RODS, ELECTRODES, AND FILLER METALS
    API 527 : 2014 SEAT TIGHTNESS OF PRESSURE RELIEF VALVES
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