.png)
An In-Line Deflagration Flame Arrestor is a safety device specifically designed to prevent the propagation of flames generated by deflagration (subsonic combustion) through pipelines containing flammable gases, vapors, or combustible mixtures. Installed directly within the pipeline, the flame arrestor extinguishes flame fronts before they can travel to downstream equipment, storage tanks, or process systems.
The device incorporates a specially engineered flame arresting element consisting of crimped and corrugated metal ribbons that create narrow passages. When a flame passes through these passages, heat is absorbed and dissipated by the metal element, reducing the flame temperature below the ignition point of the gas mixture and thereby stopping flame transmission.
In-Line Deflagration Flame Arrestors are widely used in oil & gas facilities, chemical plants, petrochemical industries, pharmaceutical units, fuel storage systems, biogas plants, and solvent handling applications where explosion protection is critical.
Designed and manufactured according to international safety standards, these flame arrestors provide reliable protection against atmospheric and stable deflagration events occurring within piping systems.
Applications of Flame Arrestor (In Of Line – Deflagration Type)
- Oil & Gas Processing Plants
- Petrochemical Industries
- Chemical Manufacturing Facilities
- Fuel Storage and Transfer Systems
- Solvent Recovery Units
- Pharmaceutical Industries
- Biogas and Landfill Gas Plants
- Paint and Coating Industries
- Tank Vent and Vapor Recovery Systems
- Process Piping Networks
Features of Flame Arrestor (In Of Line – Deflagration Type)
- Prevents propagation of deflagration flames in pipelines
- Suitable for flammable gases, vapors, and combustible mixtures
- Low pressure drop with high flow efficiency
- Robust and corrosion-resistant construction
- Removable flame element for easy inspection and maintenance
- Suitable for continuous industrial operation
- Available in various materials and connection types
- Designed to comply with international safety standards
Available Options
-
Stainless Steel Construction
-
High-Temperature Design
-
Weather Protection Covers
-
Drain and Vent Connections
-
Special Alloy Materials (Hastelloy, Monel, Duplex SS)
-
Customized Face-to-Face Dimensions
-
Oxygen Service Compatible Design
-
Corrosion-Resistant Internal Components
Specifications
| Parameter | Details |
|---|---|
| Product Name | In-Line Deflagration Flame Arrestor |
| Type | Deflagration Flame Arrestor |
| Installation | In-Line (Pipeline Mounted) |
| Size Range | 15 NB to 1200 NB (½" to 48") |
| Body Material | Carbon Steel, SS 304, SS 316, SS 316L |
| Flame Element Material | SS 304, SS 316, SS 316L |
| Connection Type | Flanged, Threaded, Wafer Type |
| Flange Standard | ANSI, ASME, DIN, BS, IS |
| Operating Pressure | Vacuum to 10 Bar (Higher on Request) |
| Operating Temperature | -40°C to +250°C |
| Suitable Media | Flammable Gases, Vapors, Hydrocarbon Mixtures |
| Element Design | Crimped Ribbon / Corrugated Metal Element |
| Pressure Drop | Low Resistance Design |
| Mounting Orientation | Horizontal or Vertical |
| Maintenance | Removable Flame Element |
| Testing | Flame Transmission Test, Flow Test, Pressure Test |
| Compliance | ISO 16852, ATEX, API 2000, EN Standards |
Benefits
In-Line Deflagration Flame Arrestors provide dependable protection against flame propagation within process piping systems handling flammable gases and vapors. By stopping deflagration flames before they reach sensitive equipment or storage vessels, they significantly reduce the risk of fire, explosion, equipment damage, and operational downtime. Their durable construction, low maintenance requirements, and compliance with international safety standards make them an essential component of industrial safety systems.
Working Principle
When a deflagration flame travels through a pipeline and reaches the flame arrestor, it enters the flame arresting element containing numerous narrow metal passages. The metal absorbs the heat from the flame and dissipates it rapidly, reducing the gas temperature below its ignition point. As a result, the flame is extinguished and prevented from continuing through the pipeline, ensuring safe operation of the entire system.