WITT flashback arrestor 85-20

▪ Highest quality from the world market leader
▪ Safety elements: Flame arrester [FA],
temperature-controlled downstream flow stop [TV],
non-return valve [NV]
▪ Every safety device 100% tested
62 X 131/137 mm, 1400-1500 g
acetylene max. 45 m³/h
▪ Fuel gases max. 324 m³/h
oxygen max. 333 m³/h

Advantages:

• extinguish dangerous flashbacks - thanks to flame arresters FA made of sintered chrome-nickel steel
• extinguish flashback fires - thanks to temperature-controlled downstream flow stop TV
• prevent the formation of explosive mixtures in the gas supply - through gas non-return valves NV

Application:

• the safety devices are protected against gas backflow and flame transmission at tapping points (BGV D1, § 9/BGR 500 Chapter 2.26 Point 3.15)
• at tapping points of distribution lines and individual cylinder systems with larger consumers, for example
• For example to supply flame-cutting machines
• the safety devices can be installed in any type of Torch, regardless of their position
• only one safety device may be connected per appliance
• the ambient temperature must not exceed 60 °C
• Gas types: acetylene, natural gas, hydrogen, oxygen, ethylene, propane, compressed air (others on request)

Maintenance:

• at least once a year according to BGV D1, § 49/BGR 500 chapter 2.26 point 3.27
• wITT will be happy to provide you with a test device on request
• the safety devices may only be opened and repaired by the manufacturer

Standards/building regulations
Company certified according to ISO 9001 and PED 2014/68/EU Module H
CE marking in accordance with the Pressure Equipment Directive 2014/68/EU
Cleaned for O2 in accordance with EIGA IGC Doc 13/12/E: Oxygen Pipeline and Piping Systems