Description
The Groth Model 7658A Deflagration and Detonation Flame Arrester inhibits flame propagation in gas piping systems. Its design makes it ideal for protecting liquid storage tanks containing NEC Group D gases (IEC Class IIA).
Vertical or horizontal installation
In-line or end-of-line deflagrations
Unstable detonations
Burn time tBT: 10 minutes
Bidirectional with respect to flow and ignition source
Elements can be easily removed in-line for cleaning and maintenance, and are inexpensive to replace if necessary
Low pressure drop, with multiple element sizes available for each flange size
A thermocouple for flame detection is required per ATEX and USCG codes
Size: From 2″ (DN50) x 5″ (DN125) to 6″ (DN150) x 12″ (DN300)
Material: Standard housing material: carbon steel or stainless steel.
• Standard flame element material: stainless steel.
Pressure: Pre-ignition system pressure up to 15.7 psia (1.08 bara).
Certification:
• Certified per the ATEX Directive in compliance with EN ISO 16852:2010, Certificate #: IBExU12ATE X2160 X.
• USCG certified per 33 CFR Part 154 App. A Type II, Certificate #: CSA LO 4000-5704.
• A thermocouple for flame detection is required per ATEX and USCG regulations.
Temperature: Pre-ignition system temperatures: -4 to 140 °F (-20 to 60 °C).
Factory-installed thermocouples for flame detection
Other materials available
Sensor ports
Large inspection and cleaning ports
Swing bolts for quick element removal