Meeting ATEX Standards: GEWEE Explosion-Proof Flame Detectors for Zone 1/2 (and Zone 20/21/22 Dust) Hazardous Areas
In countless industrial settings worldwide, the presence of flammable gases, vapors, liquids, or combustible dusts creates an inherent risk of explosions. These environments are classified into specific hazardous zones according to the likelihood and persistence of explosive atmospheres. Meeting the stringent safety requirements for these zones is not just a regulatory obligation; it’s a non-negotiable imperative for protecting lives, assets, and operational continuity. ATEX directives (2014/34/EU and 1999/92/EC) in Europe, and similar standards globally, provide the framework for equipment designed for use in these potentially explosive atmospheres. For industries operating in Zone 1/2 (gas/vapor) and Zone 20/21/22 (dust) areas, the selection of appropriate safety equipment, particularly flame detection systems, is paramount.
The Critical Need for ATEX-Compliant Flame Detection
Hazardous areas, by their very definition, demand equipment that can withstand and operate safely within conditions where a spark or excessive heat could trigger a catastrophic event. This is where ATEX certification becomes indispensable. ATEX-certified equipment is meticulously designed and tested to ensure it will not cause an explosion during normal operation, even in the presence of an explosive atmosphere. For flame detectors, this means not only being able to accurately identify the presence of a fire but also being intrinsically safe or explosion-proof, preventing them from becoming an ignition source themselves. The complexity increases when considering the specific characteristics of different zones:
- Zone 1: An explosive atmosphere of gas, vapor, or mist is likely to occur occasionally in normal operation.
- Zone 2: An explosive atmosphere of gas, vapor, or mist is not likely to occur in normal operation or, if it does occur, will persist for only a short period.
- Zone 20: An explosive atmosphere in the form of a cloud of combustible dust in the air is present continuously, or for long periods, or frequently.
- Zone 21: An explosive atmosphere in the form of a cloud of combustible dust in the air is likely to occur occasionally in normal operation.
- Zone 22: An explosive atmosphere in the form of a cloud of combustible dust in the air is not likely to occur in normal operation or, if it does occur, will persist for only a short period.
These varying levels of risk necessitate highly specialized and certified flame detection systems. Shanghai GEWEE Electronic Safety Equipment Co., Ltd. understands this critical need, offering a comprehensive suite of explosion-proof flame detectors engineered to meet and exceed the challenges of these demanding environments.
GEWEE’s Unwavering Commitment to Safety and Compliance
At GEWEE, our core mission is to provide unparalleled safety and precision in hazardous area monitoring. Our flame detection equipment leverages state-of-the-art UV/IR and multi-spectral technologies, combined with sophisticated AI analysis, to ensure not only accurate flame detection but also the elimination of costly false alarms. We offer a diverse range of flame detector products, each meticulously designed with distinct features, functionalities, and technical parameters to cater to the unique fire safety requirements of various industrial sectors.
Pioneering Technology for Ultimate Reliability
Our detectors are built upon a foundation of advanced engineering. Featuring high-precision 32-bit data processing chips and imported low-noise UV photoelectric and infrared pyroelectric sensors, GEWEE detectors deliver superior performance. Our proprietary algorithms are continuously refined, allowing for precise flame identification and robust false alarm rejection, even in challenging conditions. Furthermore, our products boast critical certifications such as CCC, Explosion-Proof (Ex d IIC T6 Gb and Ex ID A21 IP66/67 T80°C for dust), and functional safety levels up to SIL2 and SIL3 (for UV models), ensuring compliance with the highest global safety standards. With robust IP66/IP67 ingress protection, our detectors are designed to perform reliably in harsh industrial environments.
GEWEE Flame Detector Series: Engineered for Every Hazardous Zone
From compact installations to expansive industrial complexes, GEWEE provides advanced flame detection solutions that offer extensive coverage and rapid response. Our product lines include:
- GW100 Series (GW100UV, GW100IR2N, GW100IR3, GW100UVIR2): These models are ideal for industrial plants, mechanical equipment, and smaller spaces. They feature wide detection angles (UV ≥120°, IR ≥100°) and an impressive axial detection range exceeding 30-40 meters. With low maintenance requirements and quick response times (down to <10S, or <1S for high-speed types), the GW100 series provides reliable protection with certifications up to SIL2 and SIL3 (UV), and robust Ex d IIC T6 Gb explosion-proof rating. Models like GW100IR2N, with its compact 60mmx60mmx68mm dimensions and 0.4kg weight, are perfect for confined areas, while maintaining a substantial 40-meter axial detection range.
- GW800, GW810, GW820 Series (GW800IR2, GW810IR3, GW810UVIR2, GW820IR4, GW820UVIR3): Designed for larger, more demanding applications such as tunnels, chemical plants, oil & gas facilities, military installations, and expansive industrial sites. These series boast detection distances exceeding 50-60 meters axially and wide angles (IR >110°, UV >120°). Equipped with advanced features like lens contamination detection and even faster response times (as low as ≤1 second for high-speed variants), they provide unparalleled vigilance. Models like the GW810IR3 and GW820UVIR3 offer multi-spectral sensing and are certified not only for gas/vapor (Ex d IIC T6 Gb) but also for dust environments (Ex ID A21 IP66/67 T80°C), making them perfectly suited for Zone 20/21/22 applications. Their enhanced temperature range of -40°C to 70°C ensures consistent performance in extreme climates.
- GW300 Series (GW300UVIR3): This versatile series delivers high performance, suitable for a broad spectrum of industries including tunnels, petroleum, chemical, military, automotive, warehousing, brewing, and pharmaceuticals. With an axial detection distance of over 50 meters and wide detection angles (IR >110°, UV >120°), the GW300UVIR3 combines the best of multi-spectral technology, advanced algorithms, and robust explosion-proof design (Ex d IIC T6 Gb, IP66/IP67) to deliver exceptional detection capabilities with minimal false alarms.
Comprehensive Safety Beyond Flame Detection
Our dedication to safety extends beyond just flame detection. Shanghai GEWEE Electronic Safety Equipment Co., Ltd. also specializes in advanced gas detection equipment, designed for intelligent environmental adaptation and high-precision monitoring of combustible and toxic gases. Furthermore, we are at the forefront of integrating cutting-edge IoT systems and cloud platforms into our safety solutions. This holistic approach allows for real-time monitoring, data analysis, and proactive safety management, transforming reactive responses into preventative measures across your operations. Our solutions offer not only robust hardware but also the intelligent infrastructure needed for modern industrial safety.
Partnering for a Safer Future
Choosing the right flame detectors for hazardous areas is a decision that directly impacts the safety of personnel and the security of valuable assets. GEWEE’s commitment to innovation, quality, and rigorous adherence to international standards like ATEX ensures that our products are not merely components but vital guardians in the most challenging industrial environments. With our explosion-proof flame detectors, supported by advanced technology and comprehensive certifications, you can achieve peace of mind knowing that your operations are protected by world-class safety equipment. Partner with GEWEE to safeguard your facilities against the inherent risks of hazardous atmospheres, ensuring reliable detection and timely response, every single time.
Shanghai GEWEE Electronic Safety Equipment Co., Ltd. – Innovating Safety, Protecting Futures.