Description
Detonation Flame Arrester
Model: 7661
Description
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
Specifications
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
Options
Sensor ports
Large inspection and cleaning ports
Swing bolts for fast element removal
Factory installed thermocouples for flame sensing
Technical Documents for Download (PDF)
Model 7661 Datasheet
Flame Control
IOM for Model 7661