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Flashback Arrestor RF53NSK

Flashback Arrestor RF53NSK for fuel gases

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Universal flashback arrestor, certified to EN 730-1 / ISO 5175, with integrated coupling body

  • highest quality from the world market leader
  • safety elements: flame arrestor [FA], temperature-sensitive cut-off valve [TV], check valve [NV], filter on the gas inlet
  • every arrestor 100% tested
  • BAM certified, UL listed
  • 1.0 X 4.3 inches, 8.75 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)
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WITT RF Flashback Arrestors for reliable protection against dangerous reverse gas flow and flashbacks in accordance with EN 730-1 / ISO 5175. 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 check 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 pipeline outlets and single cylinders
  • 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

Maintenance:

  • 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

Approvals:
Company certified to ISO 9001

Flashback Arrestor RF53NSK is used in following areas:

Fittings

For hose or pipe connection PN 10

Pipe Connection WITT-FIX

Pipe couplings for copper and stainless steel pipelines up to 362 psi working pressure

Test Rig 722

For the annual testing of WITT flashback arrestors and check valves

Products

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Headquarters: +49 (0)2302-8901-0
WITT USA: +1 770-664-4447

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