Detonation Flame Arrester F53

Deflagration volume protection device - for gas analysers & small pipelines

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For flammable gases and gas mixtures (not combined with Oxygen)

Max. volume: 4.6 litres

Flow rate

  • acetylene max. 13 m³/h (free flow-off)
  • fuel gases max. 68 m³/h (free flow-off)
  • oxygen max. 187 m³/h (free flow-off)

Max. Working Pressures: (1.1 bar & 1.5 bar) see PDF

Flame arrestor 316L

Thread: Inlet 1/4″ BSP or NPT F. Outlet dependent on model – refer to PDF

O-ring: 72 NBR 872

Max. temp:  60ºC


Item #: 4873
Quantity Available: 100

100 in stock


The deflagration volume protection device is ideal for protection of plants and equipment with a volume of max. 4.6 litres.

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


  • compact design according to DIN EN ISO 16852
  • offer security in case of deflagrations and stable detonations
  • applicable for almost all flammable gases and gas mixtures (not combined with oxygen)
  • low life cycle costs
  • may be mounted in any position / orientation
  • compact size for easy, problem free installation
  • designing and testing according to Directive 94/9/EC test report: PTB Ex 14-44012
  • EC type-examination certificate PTB 14 ATEX 4003 X

Function & description:

  • the fitting protects against deflagration and stable detonations. This allows mounting into pipelines in any position / orientation, independent of distance to the potential source of ignition. The small and compact design of the flame arrester is for use in pipelines.


  • annual testing of body leak tightness and flow capacity is recommended
  • WITT is happy to supply special test equipment
  • Flashback Arrestors are only to be serviced by the manufacturer

Company certified to ISO 9001 and ATEX 95 Directive 94/9/EC



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