Application Scenarios:
• Suitable for Zone 1 and Zone 2 explosive gas atmospheres.
• Suitable for explosive atmospheres containing Group IIB and IIC gases.
• Suitable for environments with temperature classes T1 to T4.
• Designed for hazardous locations with explosive risks, such as oil extraction and refining, chemical plants, battery storage areas, paint spray booths, pharmaceutical facilities, explosive environments, and hazardous chemical warehouses.
Product Description:
This explosion-proof air conditioner series, processed with special anti-explosion technology, is widely used in hazardous locations where temperature control is required. It is applicable in settings such as scientific research, petroleum, chemical, pharmaceutical, manufacturing, and biological industries, where flammable gases, vapors, or mists of Groups IIA, IIB, IIC, and temperature classes T1 to T4, mixed with air, may form explosive atmospheres. As specialized temperature-control equipment, all products in this series have passed the inspection of the Chinese National Quality Supervision and Testing Center for Explosion-Protected Electrical Products and obtained the national explosion-proof certification. They comply with the ATEX Directive 2014/34/EU and the product standards EN 60079-0:2018, EN 60079-1:2014, EN 60079-18:2015, EN 60079-11:2012, and EN 60079-31:2014.
Featuring an aesthetically pleasing design and rational layout, these units are easy to install and maintain. The complete explosion-proof series incorporates microprocessor control and digital display, offering advantages such as low noise, stable performance, and simple operation.
Product Features:
• Uniform Four-Way Airflow & Comprehensive Safety: The explosion-proof ceiling cassette type air conditioner delivers cool air evenly in four directions. With its powerful operation and three-stage wind direction settings, it ensures cooling reaches every corner of the room, even reaching the floor in spaces with ceilings higher than standard. The unit features multiple safety protections for worry-free use. Both indoor and outdoor units employ large filtration headers to prevent impurities from accidentally entering the system during production, transportation, or installation, which could block pipelines and damage the compressor. A series of protective switches—including high pressure, low pressure, high temperature overheat, overcurrent, and compressor overload—ensure safe operation and complete peace of mind for users.
• Sleek Recessed Installation: The embedded installation is stylish and space-saving, preserving interior decor and blending seamlessly with room design for a natural, aesthetic appeal.
• Lightweight & Slim Design: The indoor unit body and panel are constructed from lightweight materials for easy assembly. Its ultra-slim profile measures only 250mm in thickness for the 2-horsepower model.
• Easy Maintenance & Cleaning: The lightweight design of the indoor unit body and panel facilitates assembly. A long-life filter screen significantly extends the cleaning interval, eliminating the need for frequent filter washing.
• Quiet Operation & Efficient System: Comprehensive noise reduction design incorporates a 3D spiral fan blade and a large-diameter centrifugal fan combined with foaming technology, effectively increasing airflow while significantly reducing noise. It is equipped with a mature and efficient cooling (and heating) system.
• Comfort & Decorative Integration: The recessed installation offers both comfort and decorative value.
• Powerful & Even Air Distribution: The four-way air outlet design ensures strong and uniform air circulation.
CNWINNEX explosion-proof systems are widely deployed in oil & gas, petrochemicals, pharmaceuticals, ports & terminals, mining, power generation, offshore platforms, and other areas where flammable gases or dusts are present. Typical applications include control room climate control, hazardous area logistics and access management, video surveillance & security, pressurized analyzer shelters, robotic inspection, as well as custom explosion-proof enclosures and system integration.
An explosion-proof air conditioner is a specialized HVAC unit designed for hazardous environments where flammable gases, vapors, or combustible dusts are present (e.g., petrochemical plants, gas stations, paint booths, pharmaceutical labs).
The most critical difference from a standard air conditioner lies in “active ignition prevention.” Standard units generate tiny sparks during normal operation – such as when relays open/close, compressors start/stop, or circuits make/break. While safe in normal air, these sparks can be deadly in an explosive atmosphere.
CNWINNEX’s explosion-proof design is based on the T4 temperature class. For high-temperature regions such as the Middle East or areas with extreme summer heat, we offer custom units rated for ambient temperatures up to 60°C (140°F) , ensuring reliable operation without overload in harsh tropical climates. For cold regions, we offer custom units rated for ambient temperatures as low as -50°C (-58°F) , guaranteeing safe operation in extreme arctic conditions.
The explosion-proof rating of CNWINNEX air conditioners is:
Ex 2 G D Ex db ib mb IIB T4 Gb / Ex 2 G D Ex db ib mb IIC T4 Gb / Ex ib mb tb IIIC T130°C Db
●For Gas (G): Ex db ib mb IIC T4 Gb
Suitable for IIC gas groups (including hydrogen, acetylene, etc.), using flameproof (db), intrinsic safety (ib), and encapsulated (mb) combined protection. Temperature class T4 (max surface temperature ≤135°C), Equipment Protection Level Gb.
●For Dust (D): Ex ib mb tb IIIC T130°C Db
Suitable for IIIC conductive dusts, using intrinsic safety (ib), encapsulation (mb), and dust-tight (tb) protection. Maximum surface temperature 130°C, Equipment Protection Level Db.
CNWINNEX products comply with international explosion-proof certification standards such as ISO, CNEX, ATEX, IECEx, SAA, EAC, ensuring safe use in different countries and regions., and BV or DNV (for offshore applications) . Depending on the product type and zone classification, we offer various protection concepts including Ex d, Ex e, Ex ib, and Ex nA, with ingress protection up to IP66/IP67, ensuring safe and compliant operation in hazardous environments worldwide.
Absolutely. Explosion-proof Custom Engineering is our sixth core business. From non-standard Ex components (special material junction boxes, intrinsically safe sensors, etc.) to integrated Ex systems (skid-mounted control rooms, pressurized cabins, legacy equipment retrofitting), we provide full-process custom services covering conceptual design, 3D simulation, compliance certification, manufacturing, and delivery. Simply share your operating parameters and functional needs, and we will engineer a dedicated explosion-proof safety solution for you.
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