Flashback Arrestor RF53NU

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Flashback arrestor, certified to DIN EN ISO 5175-1, for high-performance torches

highest quality from the world market leader
safety elements: flame arrestor [FA], temperature-sensitive cut-off valve [TV], non-return valve [NV], filter on gas inlet
every arrestor 100% tested
25,5 X 82 mm, 191 g
acetylene max. 13 m³/h (free flow-off)
fuel gases max. 68 m³/h (free flow-off)
oxygen max. 187 m³/h (free flow-off)

Information

WITT RF Flashback Arrestors for reliable protection against dangerous reverse gas flow and flashbacks in accordance with 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 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 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 torches or burners with high flow
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; the dirt filter may be replaced by competent staff

Approvals
Company certified to ISO 9001