The Westech Series 55 In-Line Detonation Flame Arrester is a 2nd generation flame arrester designed to provide maximum protection against all modes of flame propagation, including deflagration, stable detonation, and overdriven detonation.
In many industrial applications, flame fronts can accelerate through piping systems, increasing pressure and velocity to levels that exceed the capabilities of conventional arresters. The Series 55 is engineered to address these conditions through advanced design and extensive real-world testing.
Unlike standard flame arresters that are tested only to minimum requirements, the Series 55 is tested in excess of existing standards, including conditions such as momentum impulse (long-run stable detonation), thermal failure, and reignition of downstream unburned gases. This ensures reliable performance in actual field conditions, not just controlled test scenarios.
The Series 55 incorporates Westech’s patented technologies and design advancements to deliver superior protection, lower pressure drop, and reduced maintenance requirements. As a fully passive device, it operates without power or controls and can be installed anywhere within the piping system, regardless of length or configuration.
Westech manufactures and supports the Series 55 globally, providing engineering expertise, application support, and servicing to ensure long-term performance and safety.
Available: Canada Wide
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Description
Full Detonation Protection
- Designed to arrest deflagration, stable detonation, and overdriven detonation
- Provides protection against all modes of flame propagation
- Tested beyond standard requirements to simulate real-world conditions
Tested Beyond Industry Standards
- Accepted to EN12874, ATEX 94/9/EC, and other international standards
- U.S. Coast Guard accepted (CFR154) for 2”–18” line sizes
- Tested for momentum impulse, thermal failure, and downstream reignition
Passive, Independent Operation
- No reliance on power, sensors, or external components
- Provides continuous protection under all operating conditions
- Self-contained design for reliable, long-term operation
Self-Sealing Element Design
- Impervious to impact damage from high-pressure detonation shock waves
- Maintains performance even under repeated extreme conditions
- Protection can improve when exposed to high-energy events
Detonation Momentum Attenuators (DMA)
- Incorporates patented DMA plates for shock wave protection
- Reduces the effects of detonation forces on the arrester element
- Assists with particulate knock-out in vapour streams
Low Pressure Drop & Large Surface Area
- Designed with significantly increased element surface area (up to 31x conventional designs)
- Minimizes pressure drop and fouling effects
- Reduces system costs associated with piping and equipment
Maintenance-Friendly Design
- Easily removable elements for inspection and cleaning
- Reduced fouling leads to lower maintenance frequency
- Designed for long service life in demanding environments
Flexible Installation
- Suitable for vertical or horizontal installation
- Bi-directional operation
- Can be installed anywhere in the piping system regardless of length or configuration
Applications
The Series 55 In-Line Detonation Flame Arrester is used in applications where high-speed flame propagation and detonation risks are present, including:
- Oil & Gas production and processing facilities
- Petrochemical and refining operations
- Vapour recovery systems and terminals
- Chemical processing plants
- Marine loading and vapour control systems
- Industrial piping systems with long runs or complex configurations
These applications require protection against both deflagration and detonation events, where conventional flame arresters may not provide sufficient performance.
Manufacturer info
Westech Industrial Ltd. Since 1966 Engineers and plant operators have benefited from the quality of products and solutions provided by Westech Industrial Ltd., a global leader in research, testing and manufacturing of In-line Deflagration and Detonation Flame Arresters.
Website: https://westech-ind.com/
