Model 6A00 Inline Deflagration Flame Arrestor



The Model 6A00 inline deflagration flame arrestor is a
device that can be fitted to the opening of an enclosure or
to the connecting pipe work of a system of enclosures. Its
primary function is to allow the flow of gases or vapor of
flammable liquids through the enclosure, but prevent the
transmission of a flame. The element inside the housing
provides an extinguishing barrier to the ignited vapor
mixture by absorbing heat from the flame. The Model
6A00 is used as an independent safety system to ensure
explosion protection.


6A00 flame arrestors are designed on the principle of “quenching gap”. The crimped SST metal element allows vapor to pass through in order to allow a vessel to breath, yet prevents the propagation of a flame from the exposed side to the protected side.


Housing Material: Carbon Steel, Stainless Steel.Trim Material: Stainless Steel (1.4571) element.
Standard element is suitable for explosion group IIA1 (D1), IIA (D), IIB1 and group IIB3 (C) flammable gases
and vapors. Elements for other gas groups are available upon request.


The Model 6A00 is designed, manufactured, and testedaccording to Directive 2014/34/EU (ATEX95) and ISO
16852.The single element design is bidirectional and availablefor horizontal or vertical installations.
The maximum distance between flame arrestor and ignitionsource should not be more than 50 x the diameter of the
connection size for most hydrocarbon gases.
Easy Maintenance:
The Model 6A00 deflagration flamearrestor is a passive device with no moving parts. Theflame cell element can be easily removed for inspectionand cleaning in appropriate solvent solution.
Units are available in DN20, 25, 32, 40, 50, 65, 80, 100, 125, 150, 200, 250, 300 (3/4″, 1″, 1-1/4″, 1-1/2″,
2″, 2-1/2″, 3″, 4″, 5″, 6″, 8″, 10″, 12″) line sizes; threadconnections according to ISO7/1, BS21 or ASME B1.20.1.
Standard for flange connections to EN1092-1 PN10, ASME B16.5 150#RF or JIS B 2220 10K.