MODEL 7661

Detonation Flame Arrester

The Groth Model 7661 Deflagration & Detonation Flame Arrester inhibits flame propagation in gas piping systems. The design makes it ideal to protect liquid storage tanks containing NECC Group D (IEC Class IIA) gases with Maximum Experimental Safe Gap (MESG) equal to or greater than 0.90 mm.

Features

  • Compact with high flow capacity and low pressure drop
  • Elements are easily removed in-line for cleaning and maintenance
  • Vertical or horizontal installation
  • In-line or end-of-line deflagrations
  • Bi-directional with respect to flow and ignition source
  • Low pressure drop with multiple element sizes available for each flange size
Detonation Flame Arrester
  • Sizes: 4”x 16” through 12”x 30”
  • Housings Materials: Carbon Steel, Stainless Steel, Alloy C276
  • Element Materials: Stainless Steel, Alloy C276 or other corrosion resistant alloys
  • Unstable detonations
  • Pre-ignition system pressure up to 15.7 psia (1.08 bara)
  • Pre-ignition system temperatures -4 to 140°F (-20 to 60°C)
  • Burn time tBT 20 minutes
  • Many sizes certified to ATEX and/or US Coast Guard, please consult factory for information
  • Sensor ports
  • Large inspection and cleaning ports
  • Swing bolts for fast element removal
  • Factory installed thermocouples for flame sensing

Contact your rep to start an order or learn more.