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API 526 : 2017

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

FLANGED STEEL PRESSURE-RELIEF VALVES
Available format(s)

Hardcopy , PDF

Superseded date

08-22-2023

Language(s)

Russian

Published date

09-01-2017

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 (normative) - Pressure-relief Valve Nameplate
        Nomenclature
Annex B (normative) - Pressure-temperature Rating Charts
Annex C (normative) - Bellows Pressure-temperature Requested
        Rating Factors
Annex D (informative) - Valve Selection Examples
Annex E (informative) - Valve Selection Example: Restricted Lift
Bibliography

Acts as a purchase specification for flanged steel pressure-relief valves.

DocumentType
Standard
Pages
53
ProductNote
NEW CHILD ERR 1 2018 IS ADDED
PublisherName
American Petroleum Institute
Status
Superseded
SupersededBy
Supersedes

11/30159581 DC : 0 BS EN ISO 23251 - PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - PRESSURE-RELIEVING AND DEPRESSURING SYSTEMS
API 14E : 1991 : R2013 RECOMMENDED PRACTICE FOR DESIGN AND INSTALLATION OF OFFSHORE PRODUCTION PLATFORM PIPING SYSTEMS
API 521 : 2014 PRESSURE-RELIEVING AND DEPRESSURING SYSTEMS
ISO 13707:2000 Petroleum and natural gas industries Reciprocating compressors
EEMUA 184 : 2009 GUIDE TO THE ISOLATION OF PRESSURE RELIEVING DEVICES
10/30227442 DC : 0 BS EN ISO 13710 - PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - RECIPROCATING POSITIVE DISPLACEMENT PUMPS
API 619 : 2010 ROTARY-TYPE POSITIVE DISPLACEMENT COMPRESSORS FOR PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES
PREN ISO 23251 : DRAFT 2011 PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - PRESSURE-RELIEVING AND DEPRESSURING SYSTEMS
API GIRE CH16 : 3ED 85 PRESSURE RELIEVING DEVICES
BS EN ISO 10437:2003 Petroleum, petrochemical and natural gas industries. Steam turbines. Special-purpose applications
ASME PTB 2 : 2009 GUIDE TO LIFE CYCLE MANAGEMENT OF PRESSURE EQUIPMENT INTEGRITY
API 674 REDLINE : 2010 POSITIVE DISPLACEMENT PUMPS - RECIPROCATING
API 576 REDLINE : 2009 INSPECTION OF PRESSURE-RELIEVING DEVICES
API 676 REDLINE : 2009 POSITIVE DISPLACEMENT PUMPS - ROTARY
96/706683 DC : MAY 96 ISO 13707 RECIPROCATING COMPRESSORS FOR THE PETROLEUM AND GAS INDUSTRIES
API 681 : 1996 : R2010 LIQUID RING VACUUM PUMPS AND COMPRESSORS FOR PETROLEUM, CHEMICAL, AND GAS INDUSTRY SERVICES
EEMUA 151 : 1987 LIQUID RING VACUUM PUMPS AND COMPRESSORS
API 520-2 : 2015 SIZING, SELECTION, AND INSTALLATION OF PRESSURE-RELIEVING DEVICES - PART 2: INSTALLATION
API 9100B : 1998 GUIDANCE DOCUMENT FOR MODEL EHS MANAGEMENT SYSTEM
API 674 : 2010 POSITIVE DISPLACEMENT PUMPS - RECIPROCATING
API 674 : 2010 : ERR 1 : 2014 POSITIVE DISPLACEMENT PUMPS - RECIPROCATING
ASTM F 1508 : 1996 Standard Specification for Angle Style, Pressure Relief Valves for Steam, Gas and Liquid Services
ASTM F 1508 : 1996 : R2010 Standard Specification for Angle Style, Pressure Relief Valves for Steam, Gas and Liquid Services
I.S. EN ISO 10440-1:2007 PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - ROTARY TYPE POSITIVE-DISPLACEMENT COMPRESSORS - PART 1: PROCESS COMPRESSORS
I.S. EN ISO 14224:2016 PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - COLLECTION AND EXCHANGE OF RELIABILITY AND MAINTENANCE DATA FOR EQUIPMENT (ISO 14224:2016)
UNI EN ISO 23251 : 2008 PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - PRESSURE-RELIEVING AND DEPRESSURING SYSTEMS
I.S. EN ISO 10438-4:2007 PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - LUBRICATION, SHAFT-SEALING AND CONTROL-OIL SYSTEMS AND AUXILIARIES - PART 4: SELF-ACTING GAS SEAL SUPPORT SYSTEMS
I.S. EN ISO 10438-1:2007 PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - LUBRICATION, SHAFT-SEALING AND CONTROL-OIL SYSTEMS AND AUXILIARIES - PART 1: GENERAL REQUIREMENTS
UNI EN ISO 10438-1 : 2009 PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - LUBRICATION, SHAFT-SEALING AND CONTROL-OIL SYSTEMS AND AUXILIARIES - PART 1: GENERAL REQUIREMENTS
EEMUA 208 : 2010 GUIDE TO LIFE-CYCLE MANAGEMENT OF PRESSURE RELIEF SYSTEMS
06/30116454 DC : DRAFT MAY 2006 ISO 10438-4 - PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - LUBRICATION, SHAFT-SEALING AND CONTROL-OIL SYSTEMS AND AUXILIARIES - PART 4: SELF-ACTING GAS SEAL SUPPORT SYSTEMS
BS ISO 18154:2017 Ships and marine technology. Safety valve for cargo tanks of LNG carriers. Design and testing requirements
API 682 : 2014 PUMPS - SHAFT SEALING SYSTEMS FOR CENTRIFUGAL AND ROTARY PUMPS
16/30313951 DC : 0 BS ISO 18154 - SHIPS AND MARINE TECHNOLOGY - PILOT OPERATED SAFETY VALVES FOR LOW TEMPERATURE APPLICATIONS - DESIGN REQUIREMENTS
API 520-1 : 2014 SIZING, SELECTION, AND INSTALLATION OF PRESSURE-RELIEVING DEVICES - PART 1: SIZING AND SELECTION
04/30114086 DC : DRAFT JUL 2004 EN ISO 10440-1 - PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - ROTARY-TYPE POSITIVE DISPLACEMENT COMPRESSORS - PART 1: PROCESS COMPRESSORS (OIL-FREE)
API 14E CHINESE : 2007 RECOMMENDED PRACTICE FOR DESIGN AND INSTALLATION OF OFFSHORE PRODUCTION PLATFORM PIPING SYSTEMS
BS 6759-3:1984 Safety valves Specification for safety valves for process fluids
EI 1560 : 2013 RECOMMENDED PRACTICE FOR THE OPERATION, INSPECTION, MAINTENANCE AND COMMISSIONING OF AVIATION FUEL HYDRANT SYSTEMS AND HYDRANT SYSTEM EXTENSIONS
API 611 : 2008 : R2014 GENERAL-PURPOSE STEAM TURBINES FOR PETROLEUM, CHEMICAL, AND GAS INDUSTRY SERVICES
API RP 14E : 1991 RECOMMENDED PRACTICE FOR DESIGN AND INSTALLATION OF OFFSHORE PRODUCTION PLATFORM PIPING SYSTEMS
NORSOK I 001 : 2010 FIELD INSTRUMENTATION
API 612 : 2014 PETROLEUM, PETROCHEMICAL, AND NATURAL GAS INDUSTRIES - STEAM TURBINES - SPECIAL-PURPOSE APPLICATIONS
API 614 REDLINE : 2008 LUBRICATION, SHAFT-SEALING AND OIL-CONTROL SYSTEMS AND AUXILIARIES
ISO 10438-1:2007 Petroleum, petrochemical and natural gas industries — Lubrication, shaft-sealing and control-oil systems and auxiliaries — Part 1: General requirements
ISO 14224:2016 Petroleum, petrochemical and natural gas industries Collection and exchange of reliability and maintenance data for equipment
ISO 13631:2002 Petroleum and natural gas industries Packaged reciprocating gas compressors
I.S. EN ISO 23251:2007 PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - PRESSURE-RELIEVING AND DEPRESSURING SYSTEMS
EN ISO 23251:2007/A1:2008 PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - PRESSURE-RELIEVING AND DEPRESSURING SYSTEMS
API STD 612:2020 Petroleum, Petrochemical, and Natural Gas Industries - Steam Turbines - Special-purpose Applications
UNI EN ISO 10440-1 : 2008 PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - ROTARY-TYPE POSITIVE-DISPLACEMENT COMPRESSORS - PART 1: PROCESS COMPRESSORS
ASTM F 1508 : 1996 : R2004 Standard Specification for Angle Style, Pressure Relief Valves for Steam, Gas and Liquid Services
06/30116443 DC : DRAFT MAY 2006 ISO 10438-2 - PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - LUBRICATION, SHAFT-SEALING AND CONTROL-OIL SYSTEMS AND AUXILIARIES - PART 2: SPECIAL-PURPOSE OIL SYSTEMS
10/30214867 DC : 0 BS EN ISO 21049 - PUMPS - SHAFT-SEALING SYSTEMS FOR CENTRIFUGAL AND ROTARY PUMPS
API 675 : 2012 POSITIVE DISPLACEMENT PUMPS - CONTROLLED VOLUME FOR PETROLEUM, CHEMICAL, AND GAS INDUSTRY SERVICES
API 674 : 2010(R2016) POSITIVE DISPLACEMENT PUMPS - RECIPROCATING
04/30127186 DC : DRAFT DEC 2004 ISO 23251 - PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - PRESSURE-RELIEVING AND DEPRESSURING SYSTEMS
API 611 : 2008 GENERAL-PURPOSE STEAM TURBINES FOR PETROLEUM, CHEMICAL, AND GAS INDUSTRY SERVICES
API 676 CHINESE : 2009 POSITIVE DISPLACEMENT PUMPS - ROTARY
API 682 CHINESE : 2014 PUMPS - SHAFT SEALING SYSTEMS FOR CENTRIFUGAL AND ROTARY PUMPS
API STD 676 : 2009 POSITIVE DISPLACEMENT PUMPS - ROTARY
API 674 : 2010 : INC : ERR 1 : 2015 : R2016 POSITIVE DISPLACEMENT PUMPS - RECIPROCATING
API 674 : 2010 : ERR 2 : 2015 POSITIVE DISPLACEMENT PUMPS - RECIPROCATING
API 681 : 1996 LIQUID RING VACUUM PUMPS AND COMPRESSORS FOR PETROLEUM, CHEMICAL, AND GAS INDUSTRY SERVICES
API 676 : 2009 : R2015 POSITIVE DISPLACEMENT PUMPS - ROTARY
BS EN ISO 10440-1:2001 Petroleum and natural gas industries. Rotary-type positive-displacement compressors Process compressors (oil-free)
BS EN ISO 13703 : 2001 PETROLEUM AND NATURAL GAS INDUSTRIES - DESIGN AND INSTALLATION OF PIPING SYSTEMS ON OFFSHORE PRODUCTION PLATFORMS
ISO 10437:2003 Petroleum, petrochemical and natural gas industries — Steam turbines — Special-purpose applications
ISO 23251:2006 Petroleum, petrochemical and natural gas industries Pressure-relieving and depressuring systems
ISO 13710:2004 Petroleum, petrochemical and natural gas industries Reciprocating positive displacement pumps
BS EN ISO 10438-1:2003 Petroleum, petrochemical and natural gas industries. Lubrication, shaft-sealing and control-oil systems and auxiliaries General requirements
ISO 13703:2000 Petroleum and natural gas industries Design and installation of piping systems on offshore production platforms
BS EN ISO 13710:2004 Petroleum, petrochemical and natural gas industries. Reciprocating positive displacement pumps
ISO 10438-4:2007 Petroleum, petrochemical and natural gas industries Lubrication, shaft-sealing and control-oil systems and auxiliaries Part 4: Self-acting gas seal support systems
ISO 10440-1:2007 Petroleum, petrochemical and natural gas industries — Rotary-type positive-displacement compressors — Part 1: Process compressors
BS EN ISO 23251 : 2007 PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - PRESSURE-RELIEVING AND DEPRESSURING SYSTEMS
EN ISO 10437:2003 Petroleum, petrochemical and natural gas industries - Steam turbines - Special-purpose applications (ISO 10437:2003)
EN ISO 10438-1:2007 Petroleum, petrochemical and natural gas industries - Lubrication, shaft-sealing and control-oil systems and auxiliaries - Part 1: General requirements (ISO 10438-1:2007)
EN ISO 13631:2002 Petroleum and natural gas industries - Packaged reciprocating gas compressors (ISO 13631:2002)
EN ISO 21049:2004 Pumps - Shaft sealing systems for centrifugal and rotary pumps (ISO 21049:2004)
UNI EN ISO 10438-4 : 2009 PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - LUBRICATION, SHAFT- SEALING AND CONTROL-OIL SYSTEMS AND AUXILIARIES - PART 4: SELF-ACTING GAS SEAL SUPPORT SYSTEMS
EN ISO 10440-1:2007 Petroleum, petrochemical and natural gas industries - Rotary-type positive-displacement compressors - Part 1: Process compressors (ISO 10440-1:2007)
EN ISO 13710:2004 Petroleum, petrochemical and natural gas industries - Reciprocating positive displacement pumps (ISO 13710:2004)
API 611 REDLINE : 2008 GENERAL-PURPOSE STEAM TURBINES FOR PETROLEUM, CHEMICAL, AND GAS INDUSTRY SERVICES
ISO 18154:2017 Ships and marine technology — Safety valve for cargo tanks of LNG carriers — Design and testing requirements
09/30171555 DC : DRAFT SEP 2009 BS EN ISO 10437 - PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - STEAM TURBINES - SPECIAL-PURPOSE APPLICATIONS
API 680 : 1ED 87 PACKAGED RECIPROCATING PLANT AND INSTRUMENT AIR COMPRESSORS FOR GENERAL REFINERY SERVICES
BS ISO 23251 : 2006 AMD 17355 PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - PRESSURE-RELIEVING AND DEPRESSURING SYSTEMS
API 576 : 2017 INSPECTION OF PRESSURE-RELIEVING DEVICES
02/705659 DC : DRAFT APR 2002 ISO/DIS 21049 - PUMPS - SHAFT SEALING SYSTEMS FOR CENTRIFUGAL AND ROTARY PUMPS
API 619 REDLINE : 2010 ROTARY-TYPE POSITIVE DISPLACEMENT COMPRESSORS FOR PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES
API 576 CHINESE : 2009 INSPECTION OF PRESSURE-RELIEVING DEVICES
ASTM F 1508 : 1996 : R2016 : EDT 1 Standard Specification for Angle Style, Pressure Relief Valves for Steam, Gas, and Liquid Services
API 614 : 2008 LUBRICATION, SHAFT-SEALING AND OIL-CONTROL SYSTEMS AND AUXILIARIES
EN ISO 13703:2000/AC:2007 PETROLEUM AND NATURAL GAS INDUSTRIES - DESIGN AND INSTALLATION OF PIPING SYSTEMS ON OFFSHORE PRODUCTION PLATFORMS
BS EN ISO 10438-4:2003 Petroleum, petrochemical and natural gas industries. Lubrication, shaft-sealing and control-oil systems and auxiliaries Self-acting gas seal support systems
BS EN ISO 13631:2002 Petroleum and natural gas industries. Packaged reciprocating gas compressors
ISO 21049:2004 Pumps Shaft sealing systems for centrifugal and rotary pumps
BS EN ISO 14224:2016 Petroleum, petrochemical and natural gas industries. Collection and exchange of reliability and maintenance data for equipment
BS EN ISO 21049:2004 Pumps. Shaft sealing systems for centrifugal and rotary pumps
EN ISO 10438-4:2007 Petroleum, petrochemical and natural gas industries - Lubrication, shaft-sealing and control-oil systems and auxiliaries - Part 4: Self-acting gas seal support systems (ISO 10438-4:2007)
ASME B31.12 : 2014 HYDROGEN PIPING AND PIPELINES

ASME PV CODE 8 DIV 2 : 2017 BOILER AND PRESSURE VESSEL CODE - RULES FOR CONSTRUCTION OF PRESSURE VESSELS DIVISION 2- ALTERNATIVE RULES
ISO 17945:2015 Petroleum, petrochemical and natural gas industries Metallic materials resistant to sulfide stress cracking in corrosive petroleum refining environments
ASME PV CODE 8 DIV 1 : 2017 BOILER AND PRESSURE VESSEL CODE - RULES FOR CONSTRUCTION OF PRESSURE VESSELS DIVISION 1
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
API 527 : 2014 SEAT TIGHTNESS OF PRESSURE RELIEF VALVES

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