WITT Flashback Arrestors for reliable protection against dangerous reverse gas flow and flashbacks in accordance with DIN EN ISO 5175-1. 

• safety elements: flame arrestor [FA], temperature-sensitive cut-off valve [TV], non-return valve [NV]
• every arrestor 100% tested
• also ideal for use with corrosive gases
• 62 X 131/137 mm, 1.400-1.500 g
• air max. 360  m³/h (free flow-off)

This model is also available in Brass

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
• ideal for use with corrosive gases in the chemical industry, process technology or in laboratories
• 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. The dirt filter may be replaced by competent staff

Approvals:

• Company certified to ISO 9001
• CE-marked in accordance with PED 2014/68/EC