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Flashback Arrestor RF53NU

Flashback Arrestor RF53NU for fuel gases

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Flashback arrestor, certified to EN 730-1 / ISO 5175, UL listed, for high-performance torches

  • highest quality from the world market leader
  • safety elements: flame arrestor [FA], temperature-sensitive cut-off valve [TV], check valve [NV], filter on gas inlet
  • every arrestor 100% tested
  • UL listed
  • 1.0 X 3.2 inches, 6.74 oz
  • acetylene max. 459 scfh (free flow-off)
  • fuel gases max. 2,401 scfh (free flow-off)
  • oxygen max. 6,603 scfh (free flow-off)
  • Information
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WITT RF Flashback Arrestors for reliable protection against dangerous reverse gas flow and flashbacks according to EN 730-1 / ISO 5175, UL 1357/1358.

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 arrestor 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 dirtcontamination, extending the service life
  • a pressure relief valve RV vents excessive pressure and soot into the atmosphere, protecting the hose from bursting and the flame arrestor from clogging up, thus maintaining the flow rate (Model RF53DN only)

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 pipeline outlets and single cylinders: Models RF53N, RF53DN and RF53NSK
  • for torches or burners with high flow: Model RF53NU
  • for cutting machines with high flow: Model RF53U
  • 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 158°F

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 according to ISO 9001
Cleaned for Oxygen Service according to EIGA IGC Doc 13/12/E: Oxygen Pipeline and Piping
Systems

Flashback Arrestor RF53NU is used in following areas:

Here you find all downloads for the product.

Test Rig 722

For the annual testing of WITT flashback arrestors and check valves

Fittings

For hose or pipe connection PN 10

Products

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