Flashback Arrestor 85-20

WITT Flashback Arrestors for reliable protection against dangerous reverse gas flow and
flashbacks according to 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 check 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 60 °C / 140 °F

• gases: acetylene, natural gas, hydrogen, oxygen, ethylene, propane, 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

Approvals
Company certified to ISO 9001

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

149-001

149-002

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