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BasCo Flameless Explosion Venting Device: Relieves Pressure Without Releasing Fire, Eliminating Secondary Explosions at the Source

2026-02-28

Industry Challenges:

Across industries like grain processing and chemical manufacturing, risks of dust and combustible gas explosions persist. Traditional relief methods—installing Explosion Venting Panel alone—directly vent high-temperature flames and shockwaves during explosions, triggering secondary blasts and endangering personnel.

As safety standards like GB 17919 and GB 15577 become increasingly stringent, traditional venting methods struggle to meet compliance requirements, placing enterprises under dual pressure for safety and regulatory adherence. Particularly for large equipment or complex layouts, standard-sized flameless venting devices prove incompatible, heightening demand for customized solutions.



Addressing typical explosion-prone scenarios across industries, BasCo's  explosion flameless venting devices deliver customized solutions that successfully help enterprises achieve safety upgrades and compliance. Below are two representative case studies:

Case 1: A Large Grain Processing Enterprise

Scenario: The workshop features a multi-level indoor layout with high dust explosion risks from baghouse dust collectors. Traditional venting required installing long venting ducts, which were spatially constrained and prone to secondary hazards like flame blowback. The facility faced repeated safety hazard rectification orders.

Solution: Circular flameless venting devices were specifically selected to meet on-site conditions. This solution not only provided the required effective venting area but also resolved the installation challenges posed by spatial constraints that prevented the use of sector-shaped flameless vents.

Outcome: The venting system was comprehensively upgraded, significantly enhancing the explosion protection safety level of the equipment. The overall system operation became more stable, fully complying with national safety and environmental protection regulations.


Case 2: A Large-Scale Distillery

Scenario: Explosion relief discs on cyclone dust collectors, bucket elevators, and storage silos in various areas failed to meet current safety standards.

Solution: Strictly adhering to standards like GB 15577-2018, a compliance upgrade was implemented for all explosion-prone equipment across the production line, centered on flameless venting devices.

Outcome: Enhanced system explosion protection achieved full-process control of dust explosion risks; comprehensive compliance met national standard requirements.

Core Advantages of BasCo flameless Relief Devices

Numerous successful implementations demonstrate BasCo flameless relief devices' distinct advantages in addressing industry pain points and meeting compliance requirements. Leveraging core technology and full-scenario adaptability, BasCo creates safety- and compliance-focused solutions tailored to overcome traditional relief device shortcomings and meet customized enterprise needs. Its core strengths manifest in four key areas:

1. Millisecond-Level Flame Quenching Technology Eliminates External Flame Leakage

Utilizing stainless steel flame arresters, during an explosion, once overpressure activates the venting mechanism, the flame and high-temperature gas flow are fragmented into minute micro-streams by the mesh structure. By dramatically increasing the heat dissipation surface area, temperatures are reduced below the ignition point, releasing only minimal residual smoke. This achieves “venting pressure without venting fire,” fundamentally preventing secondary explosions and fire risks. For large-format products like 1118*1118, optimized flame arrestor element layout ensures comprehensive fire containment across the entire area.

2. Full-scenario adaptability, overcoming installation constraints

• Environmental adaptability: Requires no dedicated outdoor explosion venting space; can be installed directly indoors, in equipment-dense zones, or near personnel passageways, significantly simplifying factory layout and engineering design.

• Operational adaptability: Suitable for dusty environments, covering dust explosion risks.

• Size Adaptability: Supports custom circular and rectangular dimensions to precisely match interfaces for large silos, extra-wide dust collectors, and other specialized equipment.

3. Dual Protection Upgrade for Enhanced Compliance and Peace of Mind

Not only safeguards main equipment from explosion pressure damage, but also blocks flame propagation to protect personnel safety and plant assets.

Strictly compliant with triple standards: GB 15605-2024, EN 16009, and NFPA 68, enabling one-step completion of enterprise safety assessments and compliance inspections.

4. Reliable and Convenient Structure, Controllable Operation Costs

Flange connection design adapts to interfaces of various dust collectors and large silos for quick and easy installation. Minimal routine maintenance required—only periodic inspections needed, with simple replacement of pressure relief components. For example, the 1118*1118 model features a quick-release flange structure, significantly reducing maintenance complexity and operational costs.


Widely applicable across multiple industries and scenarios:

Chemical Manufacturing:

Dust collectors, cyclone separators, flash dryers, conveyors;

Food Processing:

Mixers and agitators, dust collectors, cyclone separators, flash dryers, conveyors;

Equipment Manufacturing:

Dust collectors, cyclone separators, flash dryers, pulverizers, bucket elevators, and silos.


Rigorous Testing, Quality Assurance

The entire production process complies with mandatory standards for dust explosion pressure relief devices. Core test items strictly meet requirements, including customized large-scale products:

• Flame Arresting Performance Test: Simulates explosion scenarios with corn starch and aluminum powder media, achieving 100% flame isolation rate;

• Pressure resistance and opening pressure testing: Precisely matches preset pressure values with zero false actuation or leakage, suitable for complex pressure fluctuation conditions;

• Material weathering testing: Subjects materials to long-term aging tests with special media to ensure stable operation under extreme conditions


230x305(mm)   Flameless Venting Explosion Test

The test strictly followed the requirements of EN 16009:2011(E), and the results comply with the specified standards.


610x762(mm)   Flameless Venting Explosion Test

The test strictly followed the requirements of EN 16009:2011(E), and the results comply with the specified standards.

The ultimate goal of industrial safety is not merely to “tolerate risk,” but to “control risk.” BasCo's flameless venting devices employ dual core technologies—“pressure relief + fire control”—to terminate explosion hazards at their source. Whether providing standardized models or customized solutions, BasCo consistently safeguards lives and assets through technological innovation. We erect a silent yet robust safety barrier for high-risk scenarios across industries, ensuring production with greater peace of mind!

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