WITT 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.

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 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 flashbacks
• without non-return valve for lower working pressures i.e. before and after analysers
• ideal for use with corrosive gases in the chemical industry, process technology or in the laboratory area
• WITT Flashback Arrestors may be mounted in any position / orientation
• 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
Cleaned for Oxygen Service according to EIGA IGC Doc 13/12/E: Oxygen Pipeline and Piping Systems

Note: The Models RF53N and F53N are suitable for fuel gas and oxygen.