KSFI In-Line Flame Arrester | Deflagration Proof Flame Arrester

The KSFI In-Line Flame Arrester is a specialized safety device designed to prevent flame propagation and explosion hazards within pipelines carrying flammable gases, vapors, fuel, and chemical substances. The device extinguishes flames inside the piping system, helping protect downstream equipment and storage systems from fire and explosion damage.

KSFI flame arresters are widely used in oil & gas, chemical processing, fuel storage, industrial gas systems, and vapor recovery applications.

What Is an In-Line Flame Arrester?

An In-Line Flame Arrester is a passive safety device with no moving parts, installed directly within a pipeline to stop flame transmission from hazardous areas to protected sections of the system.

The KSFI model operates using a flame cell element made from corrugated SS316L stainless steel ribbon material. This specially engineered structure creates a uniform matrix opening that absorbs heat and extinguishes flames before they can continue propagating through the pipeline.

KSFI Flame Arrester Design Standards

The KSFI In-Line Flame Arrester is designed, manufactured, and tested according to major international standards, including:

• API 2000
• BS 7244
• EN 12874
• ISO 16852

These standards ensure reliable explosion protection performance for industrial piping systems.

Working Principle of the KSFI In-Line Flame Arrester

The device operates by absorbing heat and cooling the flame front.

When flammable vapor or gas ignites inside the pipeline:

• The flame enters the flame arrester element
• Heat is absorbed by the SS316L flame cell matrix
• Flame temperature drops below combustion level
• The flame is extinguished completely

This design is highly effective for:

• Slow-moving flames
• Low to medium pressure flame fronts
• Low to medium deflagration conditions

Key Features of KSFI Flame Arresters

No Moving Parts

• Stable operation
• High durability
• Reduced mechanical wear

SS316L Flame Cell Element

• Excellent corrosion resistance
• High temperature resistance
• Long service life

Flexible Installation

• Suitable for both horizontal and vertical installation
• Compatible with various piping systems

Reliable Explosion Protection

• Prevents flame propagation inside pipelines
• Protects tanks, vessels, and process equipment

Technical Specifications

Available Materials

KSFI flame arresters are available in multiple materials to suit different operating environments:

• Aluminum
• Ductile iron
• Cast steel
• Stainless Steel 304
• Stainless Steel 316
• Stainless Steel 316L

Cast iron and steel body versions are epoxy coated for corrosion protection.

Applications of KSFI Flame Arresters

The KSFI In-Line Flame Arrester is commonly used in:

• Gas pipeline systems
• Fuel storage facilities
• Chemical plants
• VOC vapor recovery systems
• Oil refineries
• Fuel loading stations
• Solvent storage tanks
• Industrial gas processing systems
• Paint and chemical manufacturing plants

Maintenance Instructions

Periodic inspection and maintenance are essential to ensure reliable performance and safety.

Basic Maintenance Procedures

Flame Cell Inspection

• Remove the flame cell assembly for cleaning
• Check for deformation or damage

Cleaning Procedure

• Immerse the flame cell assembly in a suitable solvent
• Remove dirt and deposits thoroughly

Gasket Inspection

• Check gasket sealing condition
• Replace damaged or aged gaskets when necessary

Maintenance Precautions

• Avoid deforming flame cell openings
• Prevent impact damage during handling
• Verify flow performance after maintenance

Advantages of KSFI In-Line Flame Arresters

• Highly effective flame prevention
• Excellent explosion protection
• International standard compliance
• Strong corrosion resistance
• Long-term stable operation
• No external power required
• Easy maintenance
• Long service life

Contact Information

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