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Flashback Arrestor 85-30

Flashback Arrestor 85-30

Flashback arrestor, certified to EN 730-1 / ISO 5175, UL listed, standard for maximum flows

  • 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
  • BAM certified, UL listed
  • 3.3 X 6.38 inches, 162 oz
  • acetylene max. 2,471 scfh (free flow-off)
  • fuel gases max. 23,826 scfh (free flow-off)
  • oxygen max. 30,357 scfh (free flow-off)

Product of WITT 

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Description

WITT Flashback Arrestors for reliable protection against dangerous reverse gas flow and
flashbacks according to 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:

  • 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 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 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 and PED 97/23/EC Module H
CE-marked in accordance with PED 97/23/EC

147-081
147-072
147-069
147-001
147-003
147-065
147-068

 

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Flashback Arrestor 85-30