• API 521 : 2014

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    PRESSURE-RELIEVING AND DEPRESSURING SYSTEMS

    Available format(s):  Hardcopy, PDF

    Superseded date:  20-10-2020

    Language(s):  Russian, English

    Published date:  01-01-2014

    Publisher:  American Petroleum Institute

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

    1 Scope
    2 Normative References
    3 Terms, Definitions, Acronyms, and Abbreviations
    4 Causes of Overpressure and Their Relieving Rates
    5 Disposal Systems
    Annex A - An Analytical Methodology for Fire Evaluations
    Annex B - Special System Design Considerations
    Annex C - Sample Calculations
    Annex D - Typical Details and Sketches.
    Annex E - High-integrity Protection Systems (HIPS)
    Bibliography

    Abstract - (Show below) - (Hide below)

    Pertains to pressure-relieving and vapor depressuring systems.

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

    Document Type Standard
    Publisher American Petroleum Institute
    Status Superseded
    Superseded By
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    API RP 754 : 2016 PROCESS SAFETY PERFORMANCE INDICATORS FOR THE REFINING AND PETROCHEMICAL INDUSTRIES
    API 14E : 1991 : R2013 RECOMMENDED PRACTICE FOR DESIGN AND INSTALLATION OF OFFSHORE PRODUCTION PLATFORM PIPING SYSTEMS
    15/30328952 DC : 0 BS EN ISO 10418 - PETROLEUM AND NATURAL GAS INDUSTRIES - OFFSHORE PRODUCTION INSTALLATIONS - PROCESS SAFETY SYSTEMS
    API 753 : 2007 : R2012 MANAGEMENT OF HAZARDS ASSOCIATED WITH LOCATION OF PROCESS PLANT PORTABLE BUILDINGS
    API 663 : 2014 HAIRPIN-TYPE HEAT EXCHANGERS
    EEMUA 184 : 2009 GUIDE TO THE ISOLATION OF PRESSURE RELIEVING DEVICES
    API 12GDU : 1990 SPECIFICATION FOR GLYCOL-TYPE GAS DEHYDRATION UNITS
    NORSOK D 007:2013 WELL TESTING SYSTEM
    API 9100B : 1998 GUIDANCE DOCUMENT FOR MODEL EHS MANAGEMENT SYSTEM
    API 751 : 2013 SAFE OPERATION OF HYDROFLUORIC ACID ALKYLATION UNITS
    API RP 14C : 2017 ANALYSIS, DESIGN, INSTALLATION, AND TESTING OF SAFETY SYSTEMS FOR OFFSHORE PRODUCTION FACILITIES
    CSA HPIT 2-2017 Dispensing systems and components for fueling hydrogen powered industrial trucks
    API GIRE CH16 : 3ED 85 PRESSURE RELIEVING DEVICES
    NFPA 87 : 2018 FLUID HEATERS
    NFPA 850 : 2015 FIRE PROTECTION FOR ELECTRIC GENERATING PLANTS AND HIGH VOLTAGE DIRECT CURRENT CONVERTER STATIONS
    NFPA 59 : 2018 UTILITY LP-GAS PLANT CODE
    ASME PTB 2 : 2009 GUIDE TO LIFE CYCLE MANAGEMENT OF PRESSURE EQUIPMENT INTEGRITY
    I.S. EN ISO 10418:2003 PETROLEUM AND NATURAL GAS INDUSTRIES - OFFSHORE PRODUCTION INSTALLATIONS - ANALYSIS, DESIGN, INSTALLATION AND TESTING OF BASIC SURFACE PROCESS SAFETY SYSTEMS
    PD CEN ISO/TR 12489:2016 Petroleum, petrochemical and natural gas industries. Reliability modelling and calculation of safety systems
    API 576 REDLINE : 2009 INSPECTION OF PRESSURE-RELIEVING DEVICES
    BS ISO 4126-10:2010 Safety devices for protection against excessive pressure Sizing of safety valves for gas/liquid two-phase flow
    API 2FPS : 2011 PLANNING, DESIGNING, AND CONSTRUCTING FLOATING PRODUCTION SYSTEMS
    17/30347665 DC : 0 BS ISO 21843 - DETERMINATION OF THE RESISTANCE TO HYDROCARBON POOL FIRES OF FIRE PROTECTION MATERIALS AND SYSTEMS FOR PRESSURE VESSELS
    API 14E CHINESE : 2007 RECOMMENDED PRACTICE FOR DESIGN AND INSTALLATION OF OFFSHORE PRODUCTION PLATFORM PIPING SYSTEMS
    BS EN ISO 12212:2012 Petroleum, petrochemical and natural gas industries. Hairpin-type heat exchangers
    API RP 753:2007 MANAGEMENT OF HAZARDS ASSOCIATED WITH LOCATION OF PROCESS PLANT PORTABLE BUILDINGS
    API 581 REDLINE : 2008 RISK-BASED INSPECTION TECHNOLOGY
    API RP 75:2004 RECOMMENDED PRACTICE FOR DEVELOPMENT OF A SAFETY AND ENVIRONMENTAL MANAGEMENT PROGRAM FOR OFFSHORE OPERATIONS AND FACILITIES
    NORSOK P 002 : REV 1 AC 2017 PROCESS SYSTEM DESIGN
    API 2T REDLINE : 2010 PLANNING, DESIGNING, AND CONSTRUCTING TENSION LEG PLATFORMS
    API 660 : 2015 SHELL-AND-TUBE HEAT EXCHANGERS
    ISO 10418:2003 Petroleum and natural gas industries Offshore production installations Analysis, design, installation and testing of basic surface process safety systems
    API 14G :2007(R2013) RECOMMENDED PRACTICE FOR FIRE PREVENTION AND CONTROL ON FIXED OPEN-TYPE OFFSHORE PRODUCTION PLATFORMS
    API 2218 : 2013 FIREPROOFING PRACTICES IN PETROLEUM AND PETROCHEMICAL PROCESSING PLANTS
    API 500 RUSSIAN : 1997 : R2002 RECOMMENDED PRACTICE FOR CLASSIFICATION OF LOCATIONS FOR ELECTRICAL INSTALLATIONS AT PETROLEUM FACILITIES CLASSIFIED AS CLASS 1, DIVISION 1 AND DIVISION 2
    API 500 RUSSIAN :1997 RECOMMENDED PRACTICE FOR CLASSIFICATION OF LOCATIONS FOR ELECTRICAL INSTALLATIONS AT PETROLEUM FACILITIES CLASSIFIED AS CLASS 1, DIVISION 1 AND DIVISION 2
    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
    BS PD5500(2015) : 2015 SPECIFICATION FOR UNFIRED FUSION WELDED PRESSURE VESSELS
    BS PD5500(2009) : 2009 SPECIFICATION FOR UNFIRED FUSION WELDED PRESSURE VESSELS
    PD 5500:2003 Specification for unfired fusion welded pressure vessels
    ASME PV CODE 8 DIV 1 : 2017 BOILER AND PRESSURE VESSEL CODE - RULES FOR CONSTRUCTION OF PRESSURE VESSELS DIVISION 1
    BS 5908:1990 Code of practice for fire precautions in the chemical and allied industries
    BS PD5500(2006) : 2006 SPECIFICATION FOR UNFIRED FUSION WELDED PRESSURE VESSELS
    BS PD5500(2012) : 2012 SPECIFICATION FOR UNFIRED FUSION WELDED PRESSURE VESSELS
    API 2510A : 1996 : R2015 FIRE-PROTECTION CONSIDERATIONS FOR THE DESIGN AND OPERATION OF LIQUEFIED PETROLEUM GAS (LPG) STORAGE FACILITIES
    I.S. EN ISO 17349:2016 PETROLEUM AND NATURAL GAS INDUSTRIES - OFFSHORE PLATFORMS HANDLING STREAMS WITH HIGH CONTENT OF CO[2] AT HIGH PRESSURES (ISO 17349:2016)
    BS ISO 15664:2001 Acoustics. Noise control design procedures for open plant
    API 553 : 2012 REFINERY VALVES AND ACCESSORIES FOR CONTROL AND SAFETY INSTRUMENTED SYSTEMS
    API 520-1 : 2014 SIZING, SELECTION, AND INSTALLATION OF PRESSURE-RELIEVING DEVICES - PART 1: SIZING AND SELECTION
    EI MODEL CODE SAFE PRACTICE PT9-1 : 1987 PETROLEUM INDUSTRY - LIQUEFIED PETROLEUM GAS - VOLUME 1: LARGE BULK PRESSURE STORAGE & REFRIGERATED LPG
    S.R. CEN ISO/TR 12489:2016 PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - RELIABILITY MODELLING AND CALCULATION OF SAFETY SYSTEMS (ISO/TR 12489:2013)
    API MPM CH14.10 : 2007 : R2012 MANUAL OF PETROLEUM MEASUREMENT STANDARDS - CHAPTER 14: NATURAL GAS FLUIDS MEASUREMENT - SECTION 10: MEASUREMENT OF FLOW TO FLARES
    API SPEC 12J : 2008 SPECIFICATION FOR OIL AND GAS SEPARATORS
    18/30371116 DC : 0 BS ISO 23251 - PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - PRESSURE-RELIEVING AND DEPRESSURING SYSTEMS
    EI 1560 : 2013 RECOMMENDED PRACTICE FOR THE OPERATION, INSPECTION, MAINTENANCE AND COMMISSIONING OF AVIATION FUEL HYDRANT SYSTEMS AND HYDRANT SYSTEM EXTENSIONS
    API MPM CH14.10: 2007 MANUAL OF PETROLEUM MEASUREMENT STANDARDS - CHAPTER 14: NATURAL GAS FLUIDS MEASUREMENT - SECTION 10: MEASUREMENT OF FLOW TO FLARES
    API 625 : 2010 TANK SYSTEMS FOR REFRIGERATED LIQUEFIED GAS STORAGE
    API 2T : 2010 : R2015 PLANNING, DESIGNING, AND CONSTRUCTING TENSION LEG PLATFORMS
    API 2001 : 2012 FIRE PROTECTION IN REFINERIES
    CEN ISO/TR 12489:2016 Petroleum, petrochemical and natural gas industries - Reliability modelling and calculation of safety systems (ISO/TR 12489:2013)
    ISO 4126-10:2010 Safety devices for protection against excessive pressure — Part 10: Sizing of safety valves for gas/liquid two-phase flow
    API 2000 : 2014 VENTING ATMOSPHERIC AND LOW-PRESSURE STORAGE TANKS
    API 2510 : 2001 : R2011 DESIGN AND CONSTRUCTION OF LPG INSTALLATIONS
    API 75 : 2019 RECOMMENDED PRACTICE FOR DEVELOPMENT OF A SAFETY AND ENVIRONMENTAL MANAGEMENT PROGRAM FOR OFFSHORE OPERATIONS AND FACILITIES
    ISO 28300:2008 Petroleum, petrochemical and natural gas industries — Venting of atmospheric and low-pressure storage tanks
    ISO 14224:2016 Petroleum, petrochemical and natural gas industries Collection and exchange of reliability and maintenance data for equipment
    API 537:2017+ADD 1:2020 FLARE DETAILS FOR PETROLEUM, PETROCHEMICAL, AND NATURAL GAS INDUSTRIES
    I.S. EN ISO 23251:2007 PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - PRESSURE-RELIEVING AND DEPRESSURING SYSTEMS
    EEMUA 193 : 2013 MANAGING COMPETENCE ASSURANCE FOR PERSONNEL UNDERTAKING IN-SERVICE INSPECTION OF PRESSURE EQUIPMENT
    EN ISO 23251:2007/A1:2008 PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - PRESSURE-RELIEVING AND DEPRESSURING SYSTEMS
    EN ISO 12212:2012 Petroleum, petrochemical and natural gas industries - Hairpin-type heat exchangers (ISO 12212:2012)
    UNI EN ISO 10418 : 2005 PETROLEUM AND NATURAL GAS INDUSTRIES - OFFSHORE PRODUCTION INSTALLATIONS - ANALYSIS, DESIGN, INSTALLATION AND TESTING OF BASIC SURFACE PROCESS SAFETY SYSTEMS
    BS 5500:1991 Specification for unfired fusion welded pressure vessels
    UNI EN ISO 28300 : 2009 PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - VENTING OF ATMOSPHERIC AND LOW-PRESSURE STORAGE TANKS
    EI GUIDE. DESIGN & OPER. HEAT EXCHANGERS : 2015-12 GUIDELINES FOR THE SAFE DESIGN AND OPERATION OF SHELL AND TUBE HEAT EXCHANGERS TO WITHSTAND THE IMPACT OF TUBE FAILURE
    ISO/TR 12489:2013 Petroleum, petrochemical and natural gas industries Reliability modelling and calculation of safety systems
    BS PD ISO/TR 12489 : 2013 PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - RELIABILITY MODELLING AND CALCULATION OF SAFETY SYSTEMS
    API 75L : 2007 : R2013 GUIDANCE DOCUMENT FOR THE DEVELOPMENT OF A SAFETY AND ENVIRONMENTAL MANAGEMENT SYSTEM FOR ONSHORE OIL AND NATURAL GAS PRODUCTION OPERATIONS AND ASSOCIATED ACTIVITIES
    API 2510A : 1996 : R2010 FIRE-PROTECTION CONSIDERATIONS FOR THE DESIGN AND OPERATION OF LIQUEFIED PETROLEUM GAS (LPG) STORAGE FACILITIES
    I.S. EN ISO 12212:2012 PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - HAIRPIN-TYPE HEAT EXCHANGERS (ISO 12212:2012)
    API 75 : 2004 : R2013 RECOMMENDED PRACTICE FOR DEVELOPMENT OF A SAFETY AND ENVIRONMENTAL MANAGEMENT PROGRAM FOR OFFSHORE OPERATIONS AND FACILITIES
    I.S. EN ISO 16812:2007 PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - SHELL-AND-TUBE HEAT EXCHANGERS
    10/30196259 DC : 0 BS EN ISO 12212 - PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - HAIRPIN-TYPE HEAT EXCHANGERS
    API 74 : 2001 : R2013 RECOMMENDED PRACTICE FOR OCCUPATIONAL SAFETY FOR ONSHORE OIL AND GAS PRODUCTION OPERATION
    CAN/CSA-Z767-17 Process safety management
    API RP 74 : 2001 RECOMMENDED PRACTICE FOR OCCUPATIONAL SAFETY FOR ONSHORE OIL AND GAS PRODUCTION OPERATION
    API 576 CHINESE : 2009 INSPECTION OF PRESSURE-RELIEVING DEVICES
    API RP 14E : 1991 RECOMMENDED PRACTICE FOR DESIGN AND INSTALLATION OF OFFSHORE PRODUCTION PLATFORM PIPING SYSTEMS
    API 92M : 2017 MANAGED PRESSURE DRILLING OPERATIONS WITH SURFACE BACK-PRESSURE
    API 537 : 2017 FLARE DETAILS FOR PETROLEUM, PETROCHEMICAL, AND NATURAL GAS INDUSTRIES
    UNI EN ISO 12212 : 2012 PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - HAIRPIN-TYPE HEAT EXCHANGERS
    API 505 : 1997 RECOMMENDED PRACTICE FOR CLASSIFICATION OF LOCATIONS FOR ELECTRICAL INSTALLATIONS AT PETROLEUM FACILITIES CLASSIFIED AS CLASS I, ZONE 0, ZONE 1, AND ZONE 2
    BS EN ISO 16812:2007 Petroleum, petrochemical and natural gas industries. Shell-and-tube heat exchangers
    API 14G : 2007 RECOMMENDED PRACTICE FOR FIRE PREVENTION AND CONTROL ON FIXED OPEN-TYPE OFFSHORE PRODUCTION PLATFORMS
    BS EN ISO 28300:2008 Petroleum, petrochemical and natural gas industries. Venting of atmospheric and low-pressure storage tanks
    BS EN ISO 13703 : 2001 PETROLEUM AND NATURAL GAS INDUSTRIES - DESIGN AND INSTALLATION OF PIPING SYSTEMS ON OFFSHORE PRODUCTION PLATFORMS
    BS EN ISO 10418:2003 Petroleum and natural gas industries. Offshore production Installations. Analysis, design, installation and testing of basic surface process safety systems
    ISO 23251:2006 Petroleum, petrochemical and natural gas industries Pressure-relieving and depressuring systems
    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
    BS EN ISO 23251 : 2007 PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - PRESSURE-RELIEVING AND DEPRESSURING SYSTEMS
    EN ISO 10418:2003/AC:2009 PETROLEUM AND NATURAL GAS INDUSTRIES - OFFSHORE PRODUCTION INSTALLATIONS - ANALYSIS, DESIGN, INSTALLATION AND TESTING OF BASIC SURFACE PROCESS SAFETY SYSTEMS
    EI Model code of safe practice Part 15:2015 MODEL CODE OF SAFE PRACTICE - PART 15: AREA CLASSIFICATION FOR INSTALLATIONS HANDLING FLAMMABLE FLUIDS
    EI MODEL CODE SAFE PRACTICE PT1 : 2010 THE SELECTION, INSTALLATION, INSPECTION, AND MAINTENANCE OF ELECTRICAL AND NON ELECTRICAL APPARATUS IN HAZARDOUS AREAS
    EN ISO 17349 : 2016 Petroleum and natural gas industries - Offshore platforms handling streams with high content of CO2 at high pressures (ISO 17349:2016)
    API PUBL 2510A : 1996 FIRE-PROTECTION CONSIDERATIONS FOR THE DESIGN AND OPERATION OF LIQUEFIED PETROLEUM GAS (LPG) STORAGE FACILITIES
    API RP 75 CHINESE : 2004 RECOMMENDED PRACTICE FOR DEVELOPMENT OF A SAFETY AND ENVIRONMENTAL MANAGEMENT PROGRAM FOR OFFSHORE OPERATIONS AND FACILITIES
    BS EN ISO 17349:2016 Petroleum and natural gas industries. Offshore platforms handling streams with high content of CO2 at high pressures
    API 520-2 : 2015 SIZING, SELECTION, AND INSTALLATION OF PRESSURE-RELIEVING DEVICES - PART 2: INSTALLATION
    ABS 0063 : 2018 COR 2018 RULES FOR BUILDING AND CLASSING FACILITIES ON OFFSHORE INSTALLATIONS
    DIN EN ISO 28300:2008-11 PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - VENTING OF ATMOSPHERIC AND LOW-PRESSURE STORAGE TANKS
    BS ISO 23251 : 2006 AMD 17355 PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - PRESSURE-RELIEVING AND DEPRESSURING SYSTEMS
    14/30297213 DC : 0 BS EN 1473 - INSTALLATION AND EQUIPMENT FOR LIQUEFIED NATURAL GAS - DESIGN OF ONSHORE INSTALLATIONS
    API 576 : 2017 INSPECTION OF PRESSURE-RELIEVING DEVICES
    05/30135705 DC : DRAFT JUL 2005 ISO 16812 - PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - SHELL-AND-TUBE HEAT EXCHANGERS
    API 75L : 2007 GUIDANCE DOCUMENT FOR THE DEVELOPMENT OF A SAFETY AND ENVIRONMENTAL MANAGEMENT SYSTEM FOR ONSHORE OIL AND NATURAL GAS PRODUCTION OPERATIONS AND ASSOCIATED ACTIVITIES
    API 75 CHINESE : 2004 : R2008 RECOMMENDED PRACTICE FOR DEVELOPMENT OF A SAFETY AND ENVIRONMENTAL MANAGEMENT PROGRAM FOR OFFSHORE OPERATIONS AND FACILITIES
    API 74 : 2001 : R2007 RECOMMENDED PRACTICE FOR OCCUPATIONAL SAFETY FOR ONSHORE OIL AND GAS PRODUCTION OPERATION
    API RP 2T : 2010 PLANNING, DESIGNING, AND CONSTRUCTING TENSION LEG PLATFORMS
    ISO 16812:2007 Petroleum, petrochemical and natural gas industries Shell-and-tube heat exchangers
    EN ISO 16812:2007 Petroleum, petrochemical and natural gas industries - Shell-and-tube heat exchangers (ISO 16812:2007)
    API 2510 : 2001 DESIGN AND CONSTRUCTION OF LPG INSTALLATIONS
    API 581 : 2016 RISK-BASED INSPECTION METHODOLOGY
    API 500 : 2012 RECOMMENDED PRACTICE FOR CLASSIFICATION OF LOCATIONS FOR ELECTRICAL INSTALLATIONS AT PETROLEUM FACILITIES CLASSIFIED AS CLASS 1, DIVISION 1 AND DIVISION 2
    ASTM C 1696 : 2016 : REDLINE Standard Guide for Industrial Thermal Insulation Systems
    EN ISO 13703:2000/AC:2007 PETROLEUM AND NATURAL GAS INDUSTRIES - DESIGN AND INSTALLATION OF PIPING SYSTEMS ON OFFSHORE PRODUCTION PLATFORMS
    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
    BS EN ISO 14224:2016 Petroleum, petrochemical and natural gas industries. Collection and exchange of reliability and maintenance data for equipment
    ISO 17349:2016 Petroleum and natural gas industries — Offshore platforms handling streams with high content of CO2 at high pressures
    EN ISO 28300:2008/AC:2009 Petroleum, petrochemical and natural gas industries - Venting of atmospheric and low-pressure storage tanks (ISO 28300:2008/Cor 1:2009)
    ASME PTB 1 : 2014 ASME SECTION 8 - DIVISION 2 CRITERIA AND COMMENTARY

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

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    API 520-1 : 2014 SIZING, SELECTION, AND INSTALLATION OF PRESSURE-RELIEVING DEVICES - PART 1: SIZING AND SELECTION
    API 2000 : 2014 VENTING ATMOSPHERIC AND LOW-PRESSURE STORAGE TANKS
    CFR 40(PT60) : JUL 2016 PROTECTION OF ENVIRONMENT - ENVIRONMENTAL PROTECTION AGENCY
    ASME B31.8 : 2016 Gas Transmission and Distribution Piping Systems
    ISA 84.01 : 1996 APPLICATION OF SAFETY INSTRUMENTED SYSTEMS FOR THE PROCESS INDUSTRIES
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    NFPA 69 : 2014 EXPLOSION PREVENTION SYSTEMS
    API 2003 : 2015 PROTECTION AGAINST IGNITIONS ARISING OUT OF STATIC, LIGHTNING, AND STRAY CURRENTS
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    NFPA 15 : 2017 WATER SPRAY FIXED SYSTEMS FOR FIRE PROTECTION
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    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
    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
    ISO/TR 10400:2007 Petroleum and natural gas industries Equations and calculations for the properties of casing, tubing, drill pipe and line pipe used as casing or tubing
    ASME PV CODE 8 SET : 2013 ASME BOILER AND PRESSURE VESSEL CODE (BPVC) - RULES FOR CONSTRUCTION OF PRESSURE VESSELS (SET)
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    API 537 : 2017 FLARE DETAILS FOR PETROLEUM, PETROCHEMICAL, AND NATURAL GAS INDUSTRIES
    API 17O : 2014 SUBSEA HIGH INTEGRITY PRESSURE PROTECTION SYSTEMS (HIPPS)
    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 752 : 2009 MANAGEMENT OF HAZARDS ASSOCIATED WITH LOCATION OF PROCESS PLANT PERMANENT BUILDINGS
    BS 2742C:1957 Ringelmann chart
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