High-voltage explosion-proof machinery engineered to exceed European and global compliance benchmarks.
In modern industrial applications, the alignment of electric motor technology with rigorous global standards is paramount. Driven by safety protocols and regional directives, the demand for explosion-proof, flameproof, and high-efficiency three-phase motors has grown significantly. Procurement teams require heavy-duty electric motors that not only offer maximum power density but also meet stringent environmental and explosion-protection standard directives, such as ATEX and IECEx.
Shaanxi Nanfang Motor Technology Co., Ltd. serves as the premier channel for premium high-voltage and low-voltage electrical machines, distributing the renowned industrial catalog of Wolong Electric Drive Group. Integrating legacy expertise from premium brands like ATB, Brook Crompton, and Nanyang Explosion Protection Group, Nanfang Motor provides customized, turn-key solutions that address the specific needs of energy projects, refinery designs, and mining processes.
Explore Systems Engineering ServicesUnlike standard machinery distributors, Nanfang Motor provides deep thermodynamic and structural simulations, guaranteeing low startup currents and minimized mechanical strain. Standardizing our motors under international schemes like UL, CSA, CE, and SABS allows us to facilitate international trade and reduce certification bottlenecks for global engineering companies.
Authorized distributor of Wolong Electric Drive Group Co., Ltd.—shaping the global industrial motor landscape since 1984.
Founded in 1984 and listed on the Shanghai Stock Exchange in 2002 (code SH600580), Wolong has advanced from a regional manufacturer to a global leader in electric drive and control technology. With 3 world-class corporate R&D centers, 39 manufacturing factories, and 3 global production bases, Wolong’s brand ecosystem delivers engineering reliability on every continent.
How Wolong brought together the world’s most trusted motor manufacturers under one technical umbrella.
A premier European motor manufacturer based in Austria. The acquisition of 97.94% of the ATB Group integrated brands such as Morley (distinguished in underground coal mining equipment) and Laurence Scott (well-known for low starting current configurations in marine power applications).
Renowned for over a century of development in energy-efficient low-voltage machinery. Famous for the "W" and "10" series, Brook Crompton delivers reliable power in harsh conditions, supported by adjustable speed drive configurations.
Dating back to 1882, Schorch sets the standard for high-power industrial machinery. Its heavy-duty drives are utilized globally in petrochemical refining, municipal waste management, pipeline pumps, and steel mill applications.
China's largest specialized explosion-proof motor scientific research and manufacturing hub. CNE's expertise in positive pressure, flameproof, and high-voltage machines provides the foundation for our current heavy-duty industrial catalog.
Integrating GE’s commercial and industrial motor division brought extensive experience in large-scale process industries, including mining, power generation, cement processing, and heavy industrial water treatment.
A deep dive into the mechanical structures that ensure reliability and safety in hazardous environments.
Our squirrel cage rotors utilize centrifugal aluminum casting or precision die-casting techniques. For larger machines, copper-bar rotors with welded end-rings are employed. The structural design features protective ring integration for high-speed applications, ensuring mechanical integrity and high startup torque capabilities under variable load conditions.
Coils are insulated with high-grade polyester film and reinforced glass-cloth mica tape. Utilizing our proprietary Vacuum Pressure Impregnation (VPI) process, the integrated assembly provides excellent moisture resistance, high dielectric strength, and thermal stability conforming to Class F and Class H standards.
Designed using digital structural and fluid dynamic simulation platforms. Constructed from high-tensile cast iron or welded steel plates, the frame provides robust structural redundancy, efficient thermal dissipation, and natural frequency margins that isolate vibration and minimize mechanical wear.
The low-noise ventilation system integrates a side-inlet flow deflector, protective screens, and sound-absorbing silencer plates. Rated up to IP22/IP55, the configuration reduces aerodynamic noise while maintaining optimal cooling airflow across the motor casing.
Addressing complex engineering requirements in heavy industries, environmental compliance, and safety standards.
We provide comprehensive certification compliance including ATEX, IECEx, CSA, UL, EAC (CU-TR), SABS, and TestSafe. This ensures trouble-free installation and regional compliance in petrochemical facilities, refineries, and coal mining projects globally.
Our motors are available in IE3, IE4, and Ultra-Premium IE5 efficiency classes. Leveraging advanced permanent magnet technology, we help industrial operators reduce energy consumption, lower carbon footprints, and minimize operating costs.
We supply specialized solutions, including flameproof mine motors, tunnel boring machine (TBM) drives, high-volume water pump systems, positive-pressure fan motors, and variable frequency drive configurations, tailored to harsh environments.
Industrial procurement is shifting from initial cost assessment to a comprehensive Total Cost of Ownership (TCO) evaluation. Modern plant designers focus on motor reliability and energy savings over extended life cycles. Additionally, compliance with environmental regulations makes the integration of IE4/IE5 permanent magnet synchronous motors standard practice.
For operations in locations like coal mines or offshore platforms, explosion-proof integrity is critical. Our products undergo rigorous testing, including vibration monitoring, insulation analysis, and thermal load profiling, to ensure safe operation under demanding conditions.
The convergence of green efficiency standards and smart diagnostics in industrial motor systems.
Accelerating the deployment of permanent magnet synchronous motors (PMSM) to optimize efficiency under variable load operations.
Integrating real-time vibration, temperature, and current sensors directly into the explosion-proof motor frame for predictive maintenance diagnostics.
Developing corona-resistant insulation materials to extend winding life cycles under high-voltage VSD operation.
Expanding regional testing facilities and certifications to provide rapid support and compliance validation across key markets.
Technical guidance for engineering firms, project planners, and procurement officers.
ATEX is a mandatory European Union directive applicable to equipment operated in hazardous environments within the EU. IECEx is an international certification scheme based on IEC standards, aimed at facilitating global trade by harmonizing safety requirements. While many technical parameters overlap, local jurisdictions define specific import compliance mandates.
Vacuum Pressure Impregnation (VPI) replaces manual varnishing by introducing high-grade insulating resin into the stator windings under vacuum and pressure. This eliminates air voids, enhances heat dissipation, improves moisture resistance, and strengthens mechanical winding integrity, preventing failure under high cyclic loads.
Positive-pressure (Ex p) motors prevent hazardous external gases from entering the motor enclosure by maintaining an internal pressure of clean air or inert gas above the atmospheric pressure. This allows large high-voltage machines to operate safely in Zone 1 or Zone 2 areas without requiring heavy flameproof enclosures.
PMSM systems, like the TBVF series, utilize high-energy permanent magnets on the rotor, eliminating excitation losses. They provide high torque density, premium efficiency (IE4/IE5) across a wide speed range, and improved dynamic response compared to standard induction motors, making them ideal for heavy mine ventilation and conveyor applications.
Explosion-proof motors designed for heavy excavation, mining ventilation, and water management projects.
NANFANG
