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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.