Flashback Arrestor 85-10. ¼” NPT. H2 10Bar. Brass

H2 = 10 bar, Methane = 10 bar, Ethylene = 9 bar

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For Fuel gases up to 10 bar

  • Max. flow: 235m3/h (fuel gases)
  • For quick fitup with tube compression fittings
  • Max. Working Pressures:
  • Methane – 10 bar
  • Ethylene – 9 bar
  • Hydrogen – 10 bar
  • Flame arrestor
  • Non-return valve
  • Temperature sensitive cut-off valve
  • Dirt filter

Item #: 10192
Quantity Available: 21

21 in stock


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 (not for FA E460)
  • a spring-loaded check 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

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 pipeline outlets and single cylinders with high-consumption users
  • 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 check 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 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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