Explore our top-tier explosion-proof systems, extensively configured for petrochemical and urban gas infrastructure projects in Sofia, Burgas, and beyond.
An analytical review of macro industrial transitions, regulatory compliance, and gas leak prevention technologies.
Worldwide, the demand for fixed-type gas detection technology is expanding rapidly. Driven by stringent occupational health and safety rules, industrial IoT (IIoT) integration, and the transition toward green energy (including hydrogen blending in gas grids), modern industries require smarter sensing devices. Fixed gas detectors act as the frontline defense against combustible leaks, toxic exposure, and oxygen depletion in heavy industries such as metallurgy, chemical plants, wastewater treatment, and power generation.
Innovations in optical, electrochemical, and catalytic bead sensors have allowed manufacturers to deliver higher accuracy, longer lifespans, and reduced cross-sensitivity. Globally, companies are moving away from manual testing toward continuous, integrated monitoring systems linked to localized safety systems, PLC/SCADA configurations, and emergency shut-off valves.
As a critical energy and manufacturing hub in Southeast Europe, Bulgaria presents a specialized demand for top-grade, certified gas detection systems. From the Lukoil Neftohim Burgas refinery—the largest oil refining facility on the Balkan peninsula—to the massive chemical processing plants in Devnya, and the extensive gas transit pipelines (such as the Chiren underground gas storage facility and Interconnector Greece-Bulgaria), local companies face complex environmental and chemical hazards.
Additionally, Bulgaria's harmonization with EU Directives mandates absolute compliance with the European ATEX Directive (2014/34/EU) and local BDS standards. Companies operating in Sofia, Plovdiv, Varna, and Ruse require highly reliable fixed-type gas monitoring configurations to protect workers, maintain operational licenses, and secure assets against explosive atmospheres.
Delivering advanced protection with integrated systems designed for various municipal and industrial setups.
Explosion-proof fixed gas detectors combined with flame monitors to secure high-risk zones. Designed for refineries, chemical factories, and power generation units across Bulgaria.
Ensuring urban communities, commercial kitchens, hotels, and residential blocks in Bulgaria remain protected from LPG, LNG, and Carbon Monoxide leaks with responsive alarms.
Emergency cut-off valves that shut off the gas supply immediately when connected detectors identify a leak, stopping threats right at the source.
Real-time IoT cloud monitoring designed for city gas distribution grids. Tracks pressure, detects leaks, and allows regional utilities to monitor and maintain system safety remotely.
A standard gas detector cannot fit every scenario. Diverse industrial sectors in Bulgaria face unique operational environments that require specialized solutions:
Refining processes release toxic chemicals like Hydrogen Sulfide (H2S), VOCs, and explosive hydrocarbon vapors. Our ex-proof systems run 24/7 to prevent dangerous accumulation in high-risk zones.
Deep mining operations generate dangerous combustible gases like Methane (CH4) and toxic Carbon Monoxide (CO). Heavy-duty, IP66-rated gas detectors are necessary to handle these harsh environments.
Bulgaria's large food processing plants rely on ammonia (NH3) refrigeration. Early detection of toxic ammonia leaks is vital to protect workers and maintain food safety standards.
Founded in 2003, Xinhaosi has become one of the most trusted brands in the gas safety sector. By combining advanced sensors with robust industrial hardware, we make invisible gas risks visible and manageable.
We deliver reliable, customer-focused systems to secure industrial facilities, commercial operations, and homes. Powered by modern production capabilities and rigorous testing, we create precise gas safety systems for a safer future.
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Our engineering aligns with European gas detection standards to ensure seamless integration and compliance.
Any fixed-type gas detector used in industrial sites across Bulgaria must meet the standards of the ATEX Directive 2014/34/EU. Our product range features robust, explosion-proof enclosures certified for Zone 1 and Zone 2 hazardous areas. They are built to prevent electrical ignition in environments containing explosive mixtures of air and gases, vapors, or mists.
By using flameproof enclosures (Ex d) and intrinsically safe electronics (Ex i), these units are designed to withstand internal explosions without releasing sparks or flame to the outside environment. This makes them ideal for demanding industrial settings.
Today's smart industries rely on reliable communication between safety hardware and central monitoring stations. Our detectors are equipped with standard outputs like 4-20mA analog loops, Modbus RTU over RS485, and optional relays. This ensures easy connection to PLC, DCS, and SCADA monitoring systems.
This connectivity enables real-time concentration tracking, fault alerts, and automated safety routines—such as starting extraction fans or closing emergency shut-off valves—immediately when a hazard is detected.
Keep up with our new product launches, trade exhibitions, and international partnerships.
We have officially launched our new Handheld Uncooled Infrared Gas Leak Detector. Featuring dual-technology fusion, rapid response times, and long-range non-contact detection, it enhances safety in petrochemical, refrigeration, and natural gas facilities.
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Xinhaosi joined industry leaders, global buyers, and logistics providers at the Chengdu exhibition. The event opened new opportunities for international collaboration and expanding our distribution networks in Central and Eastern Europe.
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We took part in the recent bilateral matchmaking event in Chengdu. Our representatives engaged with companies and trade delegations from Indonesia to discuss industrial partnerships and expand regional safety programs.
Learn More →Collaborating with chemical, municipal, and energy organizations worldwide to deliver advanced safety systems.












Essential information on industrial standards, calibration schedules, and installation practices for Bulgarian facilities.
Heavy-duty gas transmitters designed for reliable leak detection in challenging industrial conditions.