Self-aspirating pilot burner for flare ignition with heat release in accordance with API standard 537. Standard with high energy ignition, optionally with flame front ignition.


  • API 537 / EN ISO 25457 approved by Bureau Veritas
  • High-energy ignition
  • Integrated and protected thermocouple(s)
  • Fast temperature detection by thermocouple(s)
  • Complete delivery; cables, junction boxes and ignition unit
  • Easy fit cable connectors
  • Made entirely of high-temperature resistant stainless steel
  • Option for flame front ignition
  • Option for second spark plug, independent high-energy ignition
  • Option for second thermocouple
  • Reliable ignition and stable flame under all weather conditions


Supply gasFrom 80 vol% CH4 and 20 vol% H2 to 100 vol% C3H8 without any adjustment
Gas pressure0.5 … 1.5 barg
Gas consumption1.8 … 3.0 Nm3/h (99.5 vol% CH4)
Gas connection1/2″ NPT option for ANSI or DIN flanges
Flame front connection1″ NPT option for ANSI or DIN flanges
LengthTo customer requirements from 700 mm to 4,000 mm
AngleStraight or angled pilot burner
Max. top angle37°


DURAG Group products and solutions under its group such as:

  • SMITSVONK (Netherlands-based) for high-energy ignition systems, pilot burners, and ignition burners
  • Hegwein GmbH (Stuttgart-based) for (gas and oil ignition burners and gas burners
  • AP2E (France-based) for ProCeas® lasercem analyzers for gas traces in hydrocarbons via infrared spectrometry online gas analysis, with no need for sample conditioning/heating
  • Grimm Aerosol Technik for detection and analysis of aerosol particles in various fields such as environmental monitoring, occupational safety and research.
  • Mercury Analysers for measuring principle that allows separate determination of elemental and oxidized mercury
  • Dust Monitors and Analysers for measure dust concentrations in dry and wet gases continuously

Approvals And Certifications

  • TÜV certificate (Germany requirement for continuous emission monitoring systems)
  • Compliant to US EPA, QAL 1 Certification, EN 14181, EN 15267, EN 16911-2
  • FM approval (ANSI safety standards)
  • Explosion Proof Certification (IECEx, ATEX, NEPSI, TIIS)
  • CE Marking (conforms with the applicable EU directive)

The DURAG GROUP is a leading provider of intelligent solutions for combustion technology, emissions and ambient air monitoring, multi-gas analysis, tunnel sensors, and environmental and process data management, with more than 70 years of experience.

The company has around 500 specialists who offer modern technology, certified instruments, and reliable services for the individual requirements of customers worldwide.

It provides a comprehensive product portfolio for industrial combustion and flame control technology, visualization and online analysis of thermal processes, gas analysis, as well as the measurement and analysis of emissions and ambient air monitoring.