Flashback Arrestor RF53N/H-ES

High pressure flashback arrestor, certified to DIN EN ISO 5175-1, stainless steel

  • highest quality from the world market leader
  • safety elements: flame arrestor [FA], temperature-sensitive cut-off valve [TV], check valve [NV]
  • every arrestor 100% tested
  • also ideal for use with corrosive gases
  • 1.0 X 2.7 inches, 7.41 oz
  • e.g. for hydrogen up to 130 psi
  • air max. 1,624 scfh (free flow-off)

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    WITT Flashback Arrestors for reliable protection against dangerous reverse gas flow and flashbacks in accordance with DIN EN ISO 5175-1EN 730-1 / ISO 5175. Every Arrestor 100% tested.

    The best Flashback Arrestors in the world.


    • a large surface area flame arrestor FA of stainless steel construction extinguishes any dangerous flashback entering the device in any direction
    • a temperature-sensitive cut-off valve TV extinguishes sustained flashbacks long before the internal temperature of the arrestors reaches a dangerous level
    • a spring-loaded check valve NV prevents slow or sudden reverse gas flow forming explosive mixtures in the gas supply (RF53N-ES)

    Operation / Usage:

    • Flashback Arrestors are used to protect gas cylinders and pipeline outlet points (hoses and any equipment) against dangerous flashbacks
    • without check valve for lower working pressures i.e. before and after analyzers
    • ideal for use with corrosive gases in the chemical industry, process technology or in laboritories
    • WITT Flashback Arrestors may be mounted in any position / orientation
    • the maximum ambient/working temperature is 60 °C / 140 °F
    • gases: natural gas, LPG, hydrogen, ethylene (more upon request)


    • annual testing of the non-return valve, 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
    • The dirt filter may be replaced by competent staff

    Company certified to ISO 9001
    Cleaned for Oxygen Service according to EIGA IGC Doc 13/12/E: Oxygen Pipeline and Piping Systems

    Note: The Models RF53N and F53N are suitable for fuel gas and oxygen.


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