Flashback Arrestor RF53NU

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

  • highest quality from the world market leader
  • safety elements: flame arrestor [FA], temperature-sensitive cut-off valve [TV], non-return valve [NV], filter on gas inlet
  • every arrestor 100% tested
  • 25,5 X 82 mm, 191 g
  • acetylene max. 13 m³/h (free flow-off)
  • fuel gases max. 68 m³/h (free flow-off)
  • oxygen max. 187 m³/h (free flow-off)

Data sheet Downloads
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Information

WITT RF 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
  • a filter at the gas inlet protects the arrestor against dirt contamination, extending the service life

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 torches or burners 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 60 °C / 140 °F
  • gases: acetylene, town gas, natural gas, LPG, hydrogen, oxygen, compressed air (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

Downloads

Here you find all downloads for the product.

Accessories

Test Rig 722

Test Rig 722

For the annual testing of WITT flashback arrestors and non-return valves

Fittings

Fittings

For hose or pipe connection PN 10