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API 526 REDLINE : 2009

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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Withdrawn date

02-05-2024

Published date

01-01-2009

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

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.

DocumentType
Redline
PublisherName
American Petroleum Institute
Status
Withdrawn

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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