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Detonation Flame Arrester

Model 7661

Detonation Flame Arrester

The Groth Model 7661 Deflagration & Detonation Flame Arrester inhibits flame propagation in gas piping systems. The design of  the Model 7661 Flame Arrester makes it ideal to protect liquid storage tanks containing NEC Group D (IEC Class IIA) gases with a Maximum Experimental Safe Gap (MESG) equal to or greater than 0.90 mm. 

Specifications

Size: Sizes 4" (DN100) x 16"(DN400) through 12"(DN300) x 30" (DN750)

Material: Housing standard material: carbon steel or stainless steel • Flame element standard material: stainless steel

Pressure: Maximim Operational pressure 15.7 psia (1.08 bara)

Certification: Certified to ATEX Directive in compliance with EN ISO 16852:2010 Certificate #: IBExU15ATE X2060 X (Element Sizes 16”, 20” and 24”) • Certified to USCG per 33 CFR Part 154 App. A Type II Certificate #: IBExU IB-16-8-115, IBExU IB-16-8-031 (Element Sizes

Temperature: Operational Temperature Range -4 to 140 ºF (-20 to 60 ºC)

Features

• Vertical or horizontal installation
• In-line or end-of-line deflagrations
• Unstable detonations
• Burn Time tBT 20 minutes
• Bi-directional with respect to flow and ignition source
• Elements are easily removed in-line for cleaning and maintenance and are economical to replace if necessary
• Low pressure drop with multiple element sizes available for each flange size
• Thermocouple is required for flame detection per the ATEX & USCG codes

Options

• Factory installed thermocouples for flame sensing
• Housings are available in carbon steel , stainless steel or Alloy C276 and elements in stainless steel, Alloy C276 or other corrosion resistant alloys
• Sensor ports
• Large inspection and cleaning ports
• Swing bolts for fast element removal

 

Dimensions

Detonation Flame Arrester

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