I.S. EN ISO 25457:2009
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - FLARE DETAILS FOR GENERAL REFINERY AND PETROCHEMICAL SERVICE
Hardcopy , PDF
26-10-2023
English
01-01-2009
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Design
4.1 Introduction
4.2 System design
4.3 Process definition
4.4 Types of flares
4.5 Flare burners
4.6 Mechanical design
4.7 Pilots
4.8 Pilot-ignition systems
4.9 Pilot-flame detection
4.10 Piping
4.11 Auxiliary components
5 Mechanical details - Elevated flares
5.1 Mechanical design - Design loads
5.2 Design details
5.3 Materials of construction
5.4 Welding
5.5 Inspection
5.6 Surface preparation and protection
5.7 Attachments
5.8 Aircraft warning lighting
5.9 Platforms and ladders
6 Mechanical details - Enclosed-flame flare
6.1 Combustion chamber
6.2 Burners
6.3 Burner piping
6.4 Pilots
6.5 Wind fence
6.6 Radiation shielding
Annex A (informative) - Flare equipment overview
A.1 Types of flares and components
A.2 Flare burner
A.3 Pilots
A.4 Ignition equipment
A.5 Flame-detection equipment
A.6 Verification test
A.7 Purge-gas conservation seals
A.8 Knockout drums and liquid seals
A.9 Blowers and drivers
A.10 Blower staging and control equipment
A.11 Pressure-staging equipment
A.12 Flow and pressure sensing equipment
Annex B (informative) - Components of multi-burner
staged flare equipment
B.1 Burners
B.2 Pilots
B.3 Ignition equipment
B.4 Flame-detection equipment
B.5 Buoyancy and velocity seals
B.6 Manifolds
B.7 Operations
B.8 Maintenance
B.9 Troubleshooting
Annex C (informative) - Enclosed-flame flares
C.1 Purpose
C.2 General description
C.3 Operating considerations for
enclosed-flame flares
C.4 Maintenance
C.5 Troubleshooting
Annex D (informative) - Instructions for flare data
sheets
D.1 Introduction
D.2 General information forms - Instructions
D.3 Elevated-flare forms - Instructions
D.4 Enclosed-flare forms - Instructions
Annex E (informative) - Flare data sheets
E.1 SI units
E.2 USC units
Bibliography
Describes requirements and provides guidance for the selection, design, specification, operation and maintenance of flares and related combustion and mechanical components used in pressure-relieving and vapour-depressurizing systems for petroleum, petrochemical and natural gas industries.
| DocumentType |
Standard
|
| Pages |
134
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| EN ISO 25457:2008 | Identical |
| ISO 25457:2008 | Identical |
| ASME PV CODE 8 DIV 2 : 2017 | BOILER AND PRESSURE VESSEL CODE - RULES FOR CONSTRUCTION OF PRESSURE VESSELS DIVISION 2- ALTERNATIVE RULES |
| ISO 2408:2017 | Steel wire ropes — Requirements |
| ISO 15649:2001 | Petroleum and natural gas industries — Piping |
| API 2A WSD : 2014 | PLANNING, DESIGNING, AND CONSTRUCTING FIXED OFFSHORE PLATFORMS - WORKING STRESS DESIGN |
| NACE 3 : 2007 | COMMERCIAL BLAST CLEANING |
| ISO 8501-1:2007 | Preparation of steel substrates before application of paints and related products — Visual assessment of surface cleanliness — Part 1: Rust grades and preparation grades of uncoated steel substrates and of steel substrates after overall removal of previous coatings |
| ISO 10684:2004 | Fasteners — Hot dip galvanized coatings |
| ASTM A 123/A123M : 2017 : REDLINE | Standard Specification for Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products |
| EN 10264-2:2012 | Steel wire and wire products - Steel wire for ropes - Part 2: Cold drawn non alloy steel wire for ropes for general applications |
| CFR 40(PT60) : JUL 2016 | PROTECTION OF ENVIRONMENT - ENVIRONMENTAL PROTECTION AGENCY |
| ASME B31.3:2016 | PROCESS PIPING |
| ISO 1461:2009 | Hot dip galvanized coatings on fabricated iron and steel articles — Specifications and test methods |
| ASCE 7 05 : 2006 | MINIMUM DESIGN LOADS FOR BUILDINGS AND OTHER STRUCTURES |
| BS 2742M(1960) : 1960 | MINIATURE SMOKE CHART |
| ASTM A 586 : 2004 : REV A | Standard Specification for Zinc-Coated Parallel and Helical Steel Wire Structural Strand |
| ASME STS 1 : 2011 | Steel Stacks (STS-1 - 2011) |
| ISO 13705:2012 | Petroleum, petrochemical and natural gas industries — Fired heaters for general refinery service |
| ASME B16.5 : 2017 | PIPE FLANGES AND FLANGED FITTINGS: NPS 1/2 THROUGH NPS 24 METRIC/INCH STANDARD |
| EN 12385-10:2003+A1:2008 | Steel wire ropes - Safety - Part 10: Spiral ropes for general structural applications |
| AWS D1.1/D1.1M : 2015 | STRUCTURAL WELDING CODE-STEEL |
| ISO 23251:2006 | Petroleum, petrochemical and natural gas industries Pressure-relieving and depressuring systems |
| AISC S302 : 1986 | CODE OF STANDARD PRACTICE FOR STEEL BUILDINGS AND BRIDGES |
| ASME B16.47 : 2017 | LARGE DIAMETER STEEL FLANGES: NPS 26 THROUGH NPS 60 METRIC/INCH STANDARD |
| AMCA 801 : 2001(R2008) | INDUSTRIAL PROCESS/POWER GENERATION FANS - SPECIFICATIONS GUIDELINES |
| BS 2742C:1957 | Ringelmann chart |
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