

Description
Groth's Model 77E-AF is designed to inhibit flame propagation in gas piping systems and to protect low-pressure tanks containing flammable liquids. Flame arresters protect low-flash-point liquids from external ignition sources, offering greater fire protection and safety.
Connection sizes: 2” to 12” with ASME 150#, DIN PN10 and PN16 flanged connections.
Standard housing material: Carbon steel, stainless steel.
Standard housing material: Carbon steel, stainless steel.
Standard flame arrester element material: 316 stainless steel.
Operating temperature range: -4 to 140 ºF (-20 to 60 ºC).
For gases with MESG ≥ 0.65 mm (see the figure below for IEC and NEC gas classifications).
Maximum operating pressure: 1.3 bara (18.85 psia); see charts and the installation and operation manual (IOM).
Certification: Certified under the ATEX Directive in compliance with EN ISO 16852:2016.
Thermocouple required: A thermocouple is required for flame detection per the ATEX code.
External paint or coating available.
Drains and instrumentation ports available.
Factory-installed thermocouples available for flame detection.
