MODEL 7661
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
• 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
