AIFILTECH sintered metal flame arrestor discs are vacuum-sintered from spherical stainless steel powder into a porous disc with micron-scale interconnected pores. The tortuous pore structure quenches flame propagation while keeping breathing resistance low. Typical uses include tank breather vents, pipeline flame arresters, battery pack pressure-relief ports and gas equipment where flame arrestion is required.
The disc is sintered from multiple layers of irregularly packed spherical powder into one solid body with tortuous, interconnected channels. When a flame enters, the intense heat-sink effect of the channel walls quenches the flame front within a few millimetres, so it cannot propagate to the other side - gas flows through, flame does not. Diameter, thickness and pore size are all customisable; the disc can be supplied with a flange, a sealing ring, or press-fitted directly into the housing.
Gas entering the disc is split into countless tiny streams through the tortuous sintered channels. The large channel-wall area absorbs combustion heat and quenches free radicals at the walls, extinguishing the flame inside the pores, while the gas itself passes through freely.
Used in storage-tank breather vents, gas pipeline flame arresters, lithium battery pack relief valves and hydrogen / fuel-gas equipment. Custom samples can be made to customer drawings.
All data above are obtained under specific test conditions; the actual solution must be engineered to site conditions. AIFILTECH provides custom design and sizing based on actual gas volume, temperature, dust characteristics and emission limits.
