Description
The Groth Model 7661 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) with a Maximum Experimental Safe Gap (MESG) equal to or greater than 0.90 mm.
Compact with high flow capacity and low pressure drop
Elements can be easily removed in-line for cleaning and maintenance
Vertical or horizontal installation
For in-line or end-of-line deflagrations
Bidirectional with respect to flow and ignition source
Low pressure drop with multiple element sizes available for each flange size
Sizes: 4”x 16” to 12”x 30”
Housing 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 per ATEX and/or the U.S. Coast Guard; consult the factory for more information
Sensor ports
Large inspection and cleaning ports
Swing bolts for quick element removal
Factory-installed thermocouples for flame detection