Safety Group 645/FN40

Quotation request

Parallel bundle of 2 or 4 decomposition arrestors FN4, to protect against dangerous decomposition of acetylene in low-pressure pipelines, for high flow rates

  • highest quality from the world market leader
  • safety elements: flame arrestor [FA],  temperature-sensitive cut-off valve [TV]
  • stops the explosive decomposition of acetylene via pressure-controlled quick-acting piston valve
  • every device is tested before delivery
  • 470 X 260 mm, 46 kg
  • Q= ca. 560 m³/h (free flow-off)


Safety Group 645/FN40 is used in following areas:


WITT Zentrale

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