Witt Flashback Arrestor – Regulator End – Oxygen

RF53N 5/8-18 RH Medium Flow [145.079]

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$44.00 Inc. GST


For Oxygen or Air

Connects to regulator and hose

Max. flow: 187m3/h

Max. Working Pressure 30 Bar

Flame arrestor

Non-return valve

Temperature sensitive cut-off valve

Dirt filter

Item #: 1060
Quantity Available: 85

85 in stock


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 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


  • 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

Company certified to ISO 9001


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