Detonation Flame Arrestor/ Deflagration Volume Protector F53Ndeto

Suitable as a detonation flame arrester ideal for mounting in small pipelines and to protect appliances, for example gas analysers

  • highest quality from the world market leader
  • safety element: flame arrestor
  • every device 100% tested
  • PTB tested
  • 25 X 68 mm, 207 g

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The deflagration volume protection device is ideal for protection of plants and equipment with a volume of max. 4.6 l.
Suitable as a detonation flame arrestor, ideal for mounting in small pipelines and to protect appliances, for example gas analysers.


  • compact design in accordance with DIN EN ISO 16852
  • offers security in case of deflagrations and stable detonations
  • applicable for almost all flammable gases and gas mixtures (not combined with oxygen)
  • a temperature sensitive cut-off valve extinguishes sustained flashbacks long before the internal temperature of the arrestors reaches a dangerous level
  • low life cycle costs
  • may be mounted in any position / orientation
  • compact size for easy, problem-free installation
  • designing and testing in accordance to Directive 2014/34/EU test report: PTB Ex 14-44012, Ex 23-43002
  • EC type-examination certificate PTB 14 ATEX 4003 X

Function and description:
The fitting protects against deflagrations and stabile detonations. Installation may be carried out at a distance from the ignition source of L/D150 (stable detonation). The small and compact design of the flame arrester is for use in pipelines. Designed for short burning with a burning time tBT=4 min. During this time there is no flash-back and the gas flow is interrupted ≤ 2 min. by the temperature sensitive cut-off valve

Company certified to ISO 9001 and ATEX Directive 2014/34/EU

Other models, options and accessories available upon request.


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