Flashback Arrestor 85-10NU (eccentric)

Flashback arrestor, certified to DIN EN ISO 5175-1, for high-performance torches, off-centre connection

  • highest quality from the world market leader
  • safety elements: flame arrestor [FA], non-return valve [NV], temperature-controlled cut-off valve [TV], filter on gas inlet
  • every arrestor 100% tested
  • 34 X 99-118 mm, 417 g
  • acetylene max. 22 m³/h (free flow-off)
  • fuel gases max. 235 m³/h (free flow-off)
  • oxygen max. 310 m³/h (free flow-off)

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Information

WITT Flashback Arrestors for reliable protection against dangerous reverse gas flow and flashbacks in accordance with to 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 torches or burners with high flow: Models 85-10NU and 85-10 eccentric = eccentric outlet
  • 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, ethylene (more upon request)

Maintenance:

  • 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

Approvals

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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