Flame arrestors are categorized based on their design and application. The two primary types include:
Inert gas arrestors utilize a layer of nonflammable gas to suppress flames. They are ideal for applications involving flammable liquids and gases.
These arrestors rely on a pressure difference to detect and extinguish flames. They are commonly used in gas lines and ventilation systems.
Compliance with regulations is nonnegotiable to ensure safety and legal adherence. Key standards include:
The American etroleum Institute’s A I 2000 standard outlines requirements for flame arrestors in oil and gas industries.
National Fire rotection Association’s NF A 30 provides guidelines for storage and handling of flammable liquids, including flame arrestor installation.
The flame safety mesh size for flame arrestors is a critical parameter that determines the device’s effectiveness. A finer mesh size offers better protection but may restrict flow rates. Key considerations include:

The mesh must be fine enough to capture flame particles but allow safe gas or liquid passage. Common sizes range from 12 to 40 mesh.
The mesh is typically made of stainless steel to resist corrosion and heat. roper construction ensures longterm reliability.
Regular inspection and maintenance are essential to ensure flame arrestor types remain effective. Key steps include:
Check for corrosion, damage, or blockages at least annually.
Functional testing should be conducted every three years to verify performance.