Vlamdover RF53N/H-ES

Hogedruk vlamdover volgens de DIN EN ISO 5175-1 uit RVS

  • de hoogste kwaliteit van de wereldmarktleider
  • Beveiligingselementen: vlamdover [FA],   thermisch gestuurde afsluiter  [TV], gaskeerklep [NV],
  • ieder appendage wordt 100% getest
  • ideaal ook bij het inzetten van corrosieve gassen
  • 25 X 68 mm, 210g
  • b.v. voor Waterstof tot 9 bar
  • Lucht max. 46 m³/h vrije uitstroom)

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WITT Flashback Arrestors for reliable protection against dangerous reverse gas flow and flashbacks in accordance with DIN EN ISO 5175-1. 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 non-return valve NV prevents slow or sudden reverse gas flow forming explosive mixtures in the gas supply
  • a filter at the gas inlet protects the arrestor against dirt contamination, extending the service life (RF53N-ES)

Operation / Usage:

  • Flashback Arrestors are used to protect gas cylinders and pipeline outlet points (hoses and any equipment) against dangerous reverse gas flow (RF53N-ES) and flashbacks
  • ideal for use with corrosive gases in the chemical industry, process technology or 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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