Skip to content
Please enter a keyword to search
  • Preview

    I.S. EN ISO 25457:2009

    View superseded by
    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
    View superseded by

    PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - FLARE DETAILS FOR GENERAL REFINERY AND PETROCHEMICAL SERVICE

    Available format(s):  Hardcopy, PDF

    Superseded date:  26-10-2023

    Language(s):  English

    Published date:  01-01-2009

    Publisher:  National Standards Authority of Ireland

    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.

    Add To Cart

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

    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

    Abstract - (Show below) - (Hide below)

    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.

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

    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Superseded
    Superseded By

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

    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
    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
    View more information

    • Access your standards online with a subscription

      Features

      • Simple online access to standards, technical information and regulations
      • Critical updates of standards and customisable alerts and notifications
      • Multi - user online standards collection: secure, flexibile and cost effective