DIN EN ISO 25457:2009-06

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

Diese Norm enthält Anforderungen und gibt Anleitungen für die Auswahl, die Auslegung und Spezifikation, den Betrieb und die Wartung von Fackeln und zugehörigen Brennkammern sowie den mechanischen Zubehörteilen für die Verwendung in Druckhaltesystemen und Dampfdruck-Entlastungssystemen in der Erdöl-, petrochemischen und Erdgasindustrie.