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Flashback Arrestor 85-20

Flashback Arrestor 85-20 for fuel gases

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Standard flashback arrestor, certified to EN 730-1 / ISO 5175, 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
  • 62 X 131/137 mm, 1400-1500 g
  • acetylene max. 45 m³/h
  • fuel gases max. 324 m³/h
  • oxygen max. 333 m³/h
  • Information
  • Applications
  • Downloads
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WITT 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

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 from forming explosive mixtures in the gas supply

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 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

Approvals
Company certified to ISO 9001 and PED 97/23/EC module H
CE-marked in accordance with PED 97/23/EC

 

 

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Flashback Arrestor 85-20 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 non-return valves

Fittings

For hose or pipe connection PN 10

Products

WITT Zentrale

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WITT UK: +44 (0)1925 234466

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