Flashback Arrestor RF85-20N-ES

Stainless steel flashback arrestor, certified to DIN EN ISO 5175-1, standard for high flows

  • highest quality from the world market leader
  • safety elements: flame arrestor [FA], temperature-sensitive cut-off valve [TV], non-return valve [NV]
  • every arrestor 100% tested
  • also ideal for use with corrosive gases
  • 62 X 131/137 mm, 1.400-1.500 g
  • air max. 360  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 DIN EN ISO 5175-1. Every Arrestor 100% tested.

Benefits:

  • 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

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
  • ideal for use with corrosive gases in the chemical industry, process technology or in laboritories
  • for pipeline outlets and single cylinders with high users for example supply units for gas cutting machines
  • 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, 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 by competent staff

Approvals
Company certified to ISO 9001
CE-marked in accordance with PED 2014/68/EC

Note: The models RF85-20N and RF85-30N are suitable for fuel gas and oxygen.