ISO 23251:2006
Superseded
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Petroleum, petrochemical and natural gas industries Pressure-relieving and depressuring systems
Amended by
Available format(s)
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
Superseded date
18-03-2019
Superseded by
Published date
14-08-2006
Important note : Users cannot be edited or removed once added to your Multi user PDF.
ISO 23251:2006 is applicable to pressure-relieving and vapour-depressuring systems. Although intended for use primarily in oil refineries, it is also applicable to petrochemical facilities, gas plants, liquefied natural gas (LNG) facilities and oil and gas production facilities. The information provided is designed to aid in the selection of the system that is most appropriate for the risks and circumstances involved in various installations. ISO 23251:2006 is intended to supplement the practices set forth in ISO 4126 or API RP 520-1 for establishing a basis of design.
ISO 23251:2006 specifies requirements and gives guidelines for examining the principal causes of overpressure; and determining individual relieving rates; and selecting and designing disposal systems, including such component parts as piping, vessels, flares, and vent stacks.
ISO 23251:2006 does not apply to direct-fired steam boilers.
| DevelopmentNote |
DRAFT ISO/DIS 23251 is also available for this standard. (12/2017)
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| DocumentType |
Standard
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| Pages |
216
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| PublisherName |
International Organization for Standardization
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| Status |
Superseded
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| SupersededBy |
| Standards | Relationship |
| ONORM EN ISO 23251 : OCT 2008 | Identical |
| UNE-EN ISO 23251:2007 | Identical |
| NF EN ISO 23251 : 2007 AMD 1 2010 | Identical |
| NBN EN ISO 23251 : 2008 AMD 1 2008 | Identical |
| NEN ISO 23251 : OCT 2006 | Identical |
| NEN EN ISO 23251 : 2007 AMD 1 2008 | Identical |
| NS EN ISO 23251 : 2007 AMD 1 2008 | Identical |
| I.S. EN ISO 23251:2007 | Identical |
| PN EN ISO 23251 : 2010 | Identical |
| SN EN ISO 23251 : 2007 AMD 1 2008 | Identical |
| UNI EN ISO 23251 : 2008 | Identical |
| BS EN ISO 23251 : 2007 | Identical |
| DIN EN ISO 23251:2007-12 | Identical |
| PNE-prEN ISO 23251 | Identical |
| BS ISO 23251 : 2006 AMD 17355 | Identical |
| API RP 754 : 2016 | PROCESS SAFETY PERFORMANCE INDICATORS FOR THE REFINING AND PETROCHEMICAL INDUSTRIES |
| EEMUA 184 : 2009 | GUIDE TO THE ISOLATION OF PRESSURE RELIEVING DEVICES |
| I.S. EN ISO 12212:2012 | PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - HAIRPIN-TYPE HEAT EXCHANGERS (ISO 12212:2012) |
| NORSOK D 007:2013 | WELL TESTING SYSTEM |
| I.S. EN ISO 25457:2009 | PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - FLARE DETAILS FOR GENERAL REFINERY AND PETROCHEMICAL SERVICE |
| 13/30287174 DC : 0 | BS EN ISO 13702 - PETROLEUM AND NATURAL GAS INDUSTRIES - CONTROL AND MITIGATION OF FIRES AND EXPLOSIONS ON OFFSHORE PRODUCTION INSTALLATIONS - REQUIREMENTS AND GUIDELINES |
| ISO 13702:2015 | Petroleum and natural gas industries — Control and mitigation of fires and explosions on offshore production installations — Requirements and guidelines |
| PD CEN ISO/TR 12489:2016 | Petroleum, petrochemical and natural gas industries. Reliability modelling and calculation of safety systems |
| BS EN ISO 12212:2012 | Petroleum, petrochemical and natural gas industries. Hairpin-type heat exchangers |
| NORSOK P 002 : REV 1 AC 2017 | PROCESS SYSTEM DESIGN |
| I.S. EN ISO 13702:2015 | PETROLEUM AND NATURAL GAS INDUSTRIES - CONTROL AND MITIGATION OF FIRES AND EXPLOSIONS ON OFFSHORE PRODUCTION INSTALLATIONS - REQUIREMENTS AND GUIDELINES (ISO 13702:2015) |
| EEMUA 208 : 2010 | GUIDE TO LIFE-CYCLE MANAGEMENT OF PRESSURE RELIEF SYSTEMS |
| API 537 CHINESE : 2008 | FLARE DETAILS FOR GENERAL REFINERY AND PETROCHEMICAL SERVICE |
| S.R. CEN ISO/TR 12489:2016 | PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - RELIABILITY MODELLING AND CALCULATION OF SAFETY SYSTEMS (ISO/TR 12489:2013) |
| CEN ISO/TR 12489:2016 | Petroleum, petrochemical and natural gas industries - Reliability modelling and calculation of safety systems (ISO/TR 12489:2013) |
| EN ISO 16812:2007 | Petroleum, petrochemical and natural gas industries - Shell-and-tube heat exchangers (ISO 16812:2007) |
| ISO 28300:2008 | Petroleum, petrochemical and natural gas industries — Venting of atmospheric and low-pressure storage tanks |
| BS EN ISO 13702:2015 | Petroleum and natural gas industries. Control and mitigation of fires and explosions on offshore production installations. Requirements and guidelines |
| EN ISO 12212:2012 | Petroleum, petrochemical and natural gas industries - Hairpin-type heat exchangers (ISO 12212:2012) |
| UNI EN ISO 28300 : 2009 | PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - VENTING OF ATMOSPHERIC AND LOW-PRESSURE STORAGE TANKS |
| BS PD ISO/TR 12489 : 2013 | PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - RELIABILITY MODELLING AND CALCULATION OF SAFETY SYSTEMS |
| I.S. EN ISO 16812:2007 | PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - SHELL-AND-TUBE HEAT EXCHANGERS |
| 14/30304343 DC : 0 | BS EN ISO 17349 - PETROLEUM AND NATURAL GAS INDUSTRIES - GUIDELINES FOR OFFSHORE PLATFORMS HANDLING STREAMS WITH HIGH CONTENT OF CO[2] AT HIGH PRESSURES |
| 10/30196259 DC : 0 | BS EN ISO 12212 - PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - HAIRPIN-TYPE HEAT EXCHANGERS |
| EEMUA 188 : 2009 | GUIDE FOR ESTABLISHING OPERATING PERIODS OF SAFETY VALVES |
| UNI EN ISO 12212 : 2012 | PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - HAIRPIN-TYPE HEAT EXCHANGERS |
| BS EN ISO 16812:2007 | Petroleum, petrochemical and natural gas industries. Shell-and-tube heat exchangers |
| BS EN ISO 28300:2008 | Petroleum, petrochemical and natural gas industries. Venting of atmospheric and low-pressure storage tanks |
| ISO 25457:2008 | Petroleum, petrochemical and natural gas industries — Flare details for general refinery and petrochemical service |
| UNE-EN ISO 28300:2012 | Petroleum, petrochemical and natural gas industries - Venting of atmospheric and low-pressure storage tanks (ISO 28300:2008) |
| 12/30210113 DC : 0 | BS EN ISO 28300 - PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - VENTING OF ATMOSPHERIC AND LOW-PRESSURE STORAGE TANKS |
| ISO 12212:2012 | Petroleum, petrochemical and natural gas industries — Hairpin-type heat exchangers |
| EN ISO 25457:2008 | Petroleum, petrochemical and natural gas industries - Flare details for general refinery and petrochemical service (ISO 25457:2008) |
| ISO/TR 12489:2013 | Petroleum, petrochemical and natural gas industries Reliability modelling and calculation of safety systems |
| 07/30140820 DC : 0 | BS ISO 25457 - PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - FLARE DETAILS FOR GENERAL REFINERY AND PETROCHEMICAL SERVICE |
| BS EN ISO 25457:2008 | Petroleum, petrochemical and natural gas industries. Flare details for general refinery and petrochemical service |
| DIN EN ISO 28300:2008-11 | PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - VENTING OF ATMOSPHERIC AND LOW-PRESSURE STORAGE TANKS |
| 14/30297213 DC : 0 | BS EN 1473 - INSTALLATION AND EQUIPMENT FOR LIQUEFIED NATURAL GAS - DESIGN OF ONSHORE INSTALLATIONS |
| API 537 REDLINE : 2008 | FLARE DETAILS FOR GENERAL REFINERY AND PETROCHEMICAL SERVICE |
| ISO 16812:2007 | Petroleum, petrochemical and natural gas industries Shell-and-tube heat exchangers |
| API 500 : 2012 | RECOMMENDED PRACTICE FOR CLASSIFICATION OF LOCATIONS FOR ELECTRICAL INSTALLATIONS AT PETROLEUM FACILITIES CLASSIFIED AS CLASS 1, DIVISION 1 AND DIVISION 2 |
| DIN EN ISO 28300:2012-02 (Draft) | PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - VENTING OF ATMOSPHERIC AND LOW-PRESSURE STORAGE TANKS |
| 06/30157587 DC : 0 | BS ISO 28300 - PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - VENTING OF ATMOSPHERIC AND LOW-PRESSURE STORAGE TANKS |
| EN ISO 13702:1999 | Petroleum and natural gas industries - Control and migration of fires and explosions on offshore production installations - Requirements and guidelines (ISO 13702:1999) |
| ONORM EN ISO 25457 : 2009 | PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - FLARE DETAILS FOR GENERAL REFINERY AND PETROCHEMICAL SERVICE |
| ASTM C 553 : 2013 : REDLINE | Standard Specification for Mineral Fiber Blanket Thermal Insulation for Commercial and Industrial Applications |
| ASME PV CODE 8 DIV 2 : 2017 | BOILER AND PRESSURE VESSEL CODE - RULES FOR CONSTRUCTION OF PRESSURE VESSELS DIVISION 2- ALTERNATIVE RULES |
| ISO 13707:2000 | Petroleum and natural gas industries Reciprocating compressors |
| ISO 15649:2001 | Petroleum and natural gas industries — Piping |
| NFPA 780 : 2017 | INSTALLATION OF LIGHTNING PROTECTION SYSTEMS |
| API 520-1 : 2014 | SIZING, SELECTION, AND INSTALLATION OF PRESSURE-RELIEVING DEVICES - PART 1: SIZING AND SELECTION |
| ASME PV CODE 8 DIV 1 : 2017 | BOILER AND PRESSURE VESSEL CODE - RULES FOR CONSTRUCTION OF PRESSURE VESSELS DIVISION 1 |
| API 2000 : 2014 | VENTING ATMOSPHERIC AND LOW-PRESSURE STORAGE TANKS |
| ISA 84.00.01-1 : 2004 | FUNCTIONAL SAFETY: SAFETY INSTRUMENTED SYSTEMS FOR THE PROCESS INDUSTRY SECTOR - PART 1: FRAMEWORK, DEFINITIONS, SYSTEM, HARDWARE AND SOFTWARE REQUIREMENTS |
| CFR 40(PT60) : JUL 2016 | PROTECTION OF ENVIRONMENT - ENVIRONMENTAL PROTECTION AGENCY |
| API 620 : 2013 | DESIGN AND CONSTRUCTION OF LARGE, WELDED, LOW-PRESSURE STORAGE TANKS |
| ASME B31.3:2016 | PROCESS PIPING |
| NFPA 69 : 2014 | EXPLOSION PREVENTION SYSTEMS |
| ASME PV CODE 8 DIV 3 : 2017 | BPVC Section VIII-BOILER AND PRESSURE VESSEL CODE - RULES FOR CONSTRUCTION OF PRESSURE VESSELS - ALTERNATIVE RULES FOR CONSTRUCTION OF HIGH PRESSURE VESSELS |
| API 2003 : 2015 | PROTECTION AGAINST IGNITIONS ARISING OUT OF STATIC, LIGHTNING, AND STRAY CURRENTS |
| PREN 14015-1 : DRAFT 2000 | SPECIFICATION FOR THE DESIGN AND MANUFACTURE OF SITE BUILT, VERTICAL, CYLINDRICAL, FLAT-BOTTOMED, ABOVE GROUND, WELDED, METALLIC TANKS FOR THE STORAGE OF LIQUIDS AT AMBIENT TEMPERATURE AND ABOVE - PART 1: STEEL TANKS |
| BS 2742M(1960) : 1960 | MINIATURE SMOKE CHART |
| API 554-1 : 2008(R2016) | PROCESS CONTROL SYSTEMS - PART 1: PROCESS CONTROL SYSTEMS FUNCTIONS AND FUNCTIONAL SPECIFICATION DEVELOPMENT |
| ASTM C 612 : 2014 : REDLINE | Standard Specification for Mineral Fiber Block and Board Thermal Insulation |
| NFPA 15 : 2017 | WATER SPRAY FIXED SYSTEMS FOR FIRE PROTECTION |
| API 521 : 2014 | PRESSURE-RELIEVING AND DEPRESSURING SYSTEMS |
| NFPA 68 : 2013 | EXPLOSION PROTECTION BY DEFLAGRATION VENTING |
| ASTM C 533 : 2017 : REDLINE | Standard Specification for Calcium Silicate Block and Pipe Thermal Insulation |
| ASTM C 592 : 2016 : REDLINE | Standard Specification for Mineral Fiber Blanket Insulation and Blanket-Type Pipe Insulation (Metal-Mesh Covered) (Industrial Type) |
| API 999 : 6ED 99 13TH REV | TECHNICAL DATA BOOK - PETROLEUM REFINING IMPERIAL EDITION |
| DIN V 19250:1994-05 | CONTROL TECHNOLOGY; FUNDAMENTAL SAFETY ASPECTS TO BE CONSIDERED FOR MEASUREMENT AND CONTROL EQUIPMENT |
| ISA 84.00.01-3 : 2004 | FUNCTIONAL SAFETY: SAFETY INSTRUMENTED SYSTEMS FOR THE PROCESS INDUSTRY SECTOR - PART 3: GUIDANCE FOR THE DETERMINATION OF THE REQUIRED SAFETY INTEGRITY LEVELS - INFORMATIVE |
| NFPA FIRE PROT GUIDE ON HAZARDOUS MAT : 2010 | FIRE PROTECTION GUIDE TO HAZARDOUS MATERIALS |
| API 526 : 2017 | FLANGED STEEL PRESSURE-RELIEF VALVES |
| API 920 : 1990 | PREVENTION OF BRITTLE FRACTURE OF PRESSURE VESSELS |
| ISA TR84.00.02-2 : 2002 | SAFETY INSTRUMENTED FUNCTIONS (SIF) - SAFETY INTEGRITY LEVEL (SIL) EVALUATION TECHNIQUES - PART 2: DETERMINING THE SIL OF A SIF VIA SIMPLIFIED EQUATIONS |
| ISA 84.00.01-2 : 2004 | FUNCTIONAL SAFETY: SAFETY INSTRUMENTED SYSTEMS FOR THE PROCESS INDUSTRY SECTOR - PART 2: GUIDELINES FOR THE APPLICATION OF ANSI/ISA-84.00.01 - PART 1 - INFORMATIVE |
| API 650 : 2013 | WELDED TANKS FOR OIL STORAGE |
| ASTM A 515/A515M : 2017 : REDLINE | Standard Specification for Pressure Vessel Plates, Carbon Steel, for Intermediate- and Higher-Temperature Service |
| API 537 : 2017 | FLARE DETAILS FOR PETROLEUM, PETROCHEMICAL, AND NATURAL GAS INDUSTRIES |
| API RP 2030 : 2014 | APPLICATION OF FIXED WATER SPRAY SYSTEMS FOR FIRE PROTECTION IN THE PETROLEUM AND PETROCHEMICAL INDUSTRIES |
| API 520-2 : 2015 | SIZING, SELECTION, AND INSTALLATION OF PRESSURE-RELIEVING DEVICES - PART 2: INSTALLATION |
| API 2218 : 2013 | FIREPROOFING PRACTICES IN PETROLEUM AND PETROCHEMICAL PROCESSING PLANTS |
| BS 2742C:1957 | Ringelmann chart |
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