Model L7661

Detonation In-Line Flame Arrestor

The Model L7661 inhibits flame propagation in gas piping systems. It is ideal for protecting liquid storage tanks containing NEC Group D (IEC Class IIA) gases with a maximum experimental safe gap equal to or greater than 0.90 mm.
  • Compact design with high flow capacity and low pressure drop
  • Easy element removal for cleaning and maintenance
  • Elements are economical to replace
  • Flange sizes: 4″ (DN100) x 16″ (DN400) through 12″ (DN300) x 30″ (DN750)
  • Standard materials: carbon steel, stainless steel (stainless steel element comes standard)
  • Pre-ignition system temperatures: -4 to 140°F (-20 to 60°C)
  • Pre-ignition system pressure: up to 15.7 psia (1.08 bara)
  • Burn time: tBT 20 minutes
  • Ideal for: vertical or horizontal installation, in-line or end-of-line deflagrations, unstable detonations
  • Factory-installed thermocouples for flame sensing
  • Corrosion-resistant flame elements
  • Other materials available
  • Sensor ports
  • Large inspection and cleaning ports
  • Swing bolts for fast element removal

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Other Flame Control

Model L7658A

Detonation In-Line Flame Arrestor

The Model L7658A inhibits flame propagation in gas piping systems. It is ideal for protecting liquid storage tanks containing NEC Group D (IEC Class IIA) gases with a maximum experimental safe gap equal to or greater than 0.90 mm.

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We don’t manufacture until you order. Our production team employs the latest tools and techniques in agile manufacturing to fabricate your order to your specifications. After production and assembly, each product undergoes stringent quality inspections before leaving the production floor – we guarantee you’ll get exactly what you ordered.

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