Cashco Flame Arrestors are critical safety devices that prevent flames from propagating through vapor and gas piping, offering robust protection against deflagration and detonation hazards. Certified to key standards like UL, ATEX, API 2000, and ISO 16852, they ensure dependable performance in oil & gas, chemical, and process industries.

Detonation Flame Arrestors

• Model 6B00 Series – Inline detonation flame arrestor
• Model 6E00 – Bidirectional in-line detonation arrestor
• Model 6K00 – High-pressure bidirectional detonation arrestor

Model-Wise Features

Model 6B00 Series (Inline Detonation)

• Operating Pressure: Up to 110–160 kPa abs (~16–23 psia)
• Operating Temperature: ≤ 60 °C (140 °F)
• Line Sizes: DN40–DN200 (1½"–8"); PN10 / 150#RF flanges
• Compliance: ISO 16852, ATEX

Model 6E00

Bi-directional detonation arrestors for dual-flow high-speed pipelines.

• Operating Pressure: Up to 150 psig
• Operating Temperature: Up to 400 °F
• Line Sizes: DN50–DN200 (2"–8"); flanged ANSI 150# or PN10
• Compliance: UL, ISO 16852

Model 6K00

• Operating Pressure: Up to 275 psig
• Operating Temperature: Up to 400 °F
• Settings: +5 to +50 mbar, −2.5 to −50 mbar (vacuum)
• Line Sizes: DN80–DN200 (3"–8")
• Compliance: ATEX, ISO 16852

Applications

• Petrochemical pipelines
• Tank and flare venting
• Biogas systems
• Compressor discharge/suction lines
• Process vessel vents

Notable or Unique Features

• Detonation-grade models rated to 160 kPa abs / 275 psig protection
• High-temp units function up to 400 °F
• Horizontal or vertical configurations available
• Replaceable element cores reduce lifecycle costs
• Unique liquid-seal version (6ZA21) allows passive flame suppression

Why Choose Cashco Flame Arrestors

• Certified compliance (API, UL, ATEX, ISO)
• Comprehensive product range for deflagration and detonation
• Flexible installation: inline, end-of-line, tank vents
• Replaceable cores for easy upkeep
• Robust construction for harsh environments

Conclusion

Cashco Flame Arrestors offer certified, reliable flame protection with flexible configurations and easy maintenance. Whether securing low-pressure vapor lines or high-pressure pipelines, they deliver trusted safety performance across industries.