Vlamdover RF53NSK

Universele vlamdover volgens de DIN EN ISO 5175-1 met geintegreerde snelkoppeling

  • de hoogste kwaliteit van de wereldmarktleider
  • Beveiligingselementen: vlamdover [FA],  thermisch gestuurde afsluiter [TV], gaskeerklep [NV], filter aan de ingang, explosieveilig ontlastingsventiel [RV]
  • ieder appendage wordt 100% getest
  • 25,5 X 110 mm, 248 g
  • Acetyleen max. 13 m³/h (vrije uitstroom)
  • Brandbare gassen max. 68 m³/h (vrije uitstroom)
  • Zuurstof max. 187 m³/h (vrije uitstroom)

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WITT RF Flashback Arrestors for reliable protection against dangerous reverse gas flow and flashbacks according to DIN EN ISO 5175-1, UL 1357/1358.

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 arrestor reaches a dangerous level
  • a spring loaded non-return valve NV prevents slow or sudden reverse gas flow from forming explosive mixtures in the gas supply
  • a filter at the gas inlet protects the arrestor against dirtcontamination, extending the service life
  • a pressure relief valve RV vents excessive pressure and soot into the atmosphere, protecting the hose from bursting and the flame arrestor from clogging up, thus maintaining the flow rate (Model RF53DN only)

Operation / Usage

  • RF Flashback Arrestors are used to protect gas cylinders and pipeline outlet points (hoses and any equipment) against dangerous reverse gas flow and flashbacks
  • for pipeline outlets and single cylinders: Models RF53N, RF53DN and RF53NSK
  • for torches or burners with high flow: Model RF53NU
  • for cutting machines with high flow: Model RF53U
  • WITT Flashback Arrestors may be mounted in any position/orientation
  • only one piece of equipment may be connected to a single Flashback Arrestor
  • the maximum ambient/working temperature is 60 °C / 140 °F
  • gases: acetylene, town gas, natural gas, LPG, hydrogen, oxygen, compressed air (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 according to ISO 9001
Cleaned for Oxygen Service according to EIGA IGC Doc 13/12/E: Oxygen Pipeline and Piping




voor slang- en leidingaansluiting PN 10

Pijpverbinding WITT-FIX

Pijpverbinding WITT-FIX

Snelmontage koppelingen voor koper- en RVS leidingen tot 25 bar werkdruk

Test en proefopstelling 722

Test en proefopstelling 722

voor de uitvoer van een jaarlijkse functie test van de WITT-veiligheids appendages

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