Vlamdover 85-10U

Vlamdover volgens de DIN EN ISO 5175-1 voor brandsnijmachines met grote capaciteit - zonder temperatuurgestuurde thermische beveiliging [TV]

  • hoogste kaliteit van de wereldmarktleider
  • beveiligingselementen: vlamdover [FA], gaskeerklep [NV], filter in de ingang
  • ieder appendage wordt 100% getest
  • 34 X 106 mm, 434 g
  • Acetyleen max. 22 m³/h (vrije uitstroom)
  • Brandbare gassen max. 235 m³/h vrije uitstroom)
  • Zuurstof max. 310 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 from forming explosive mixtures in the gas supply

Operation / Usage:

  • Flashback Arrestors are used to protect gas cylinders and pipeline outlet points (hoses and any equipment) against dangerous reverse gas flow and flashbacks
  • for cutting machines with high flow
  • 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 70 °C / 158 °F


  • 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 according to model by competent staff


Company certified to ISO 9001 and PED 2014/68/EU Module H
CE-marked according to PED 2014/68/EU
Cleaned for Oxygen Service according to EIGA IGC Doc 13/12/E: Oxygen Pipeline and Piping Systems


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