AC High Voltage Motor Manufacturer & Company in the Saudi Arabia Market

Empowering Megaprojects & Industrial Desalination Infrastructure Across the Kingdom

The Driving Force in Global & Saudi Industrial Electrification

Shaanxi Nanfang Motor Technology Co., Ltd. stands as the authorized flagship distributor of Wolong Electric Drive Group Co., Ltd. Founded in 1984 and listed publicly in 2002 (SH600580), Wolong has advanced the design and production of high-performance electric motors, control drives, and power solutions on a global scale. Operating 3 key manufacturing bases, 39 digital factories, and 3 global R&D centers, Wolong remains a technical pioneer in the global electromechanical arena.

In the Saudi Arabian market, Shaanxi Nanfang Motor offers a highly customized portfolio of explosion-proof and heavy-duty high-voltage AC motors designed to operate reliably under extreme ambient temperatures (up to 55°C) and demanding coastal humidity. Our products fully comply with Saudi Aramco Materials System Specifications (SAMSS) and local security codes, making us a strategic partner for key Vision 2030 projects.

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39
Global Factories
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58+
Served Countries
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32+
Global Patents
200+
Saudi & ME Projects
Wolong Factory Global Production Advantages

Saudi Arabia's Industrial Landscape & Localized Application Scenarios

Optimizing electric machine durability for Saudi Vision 2030, NEOM, Ma'aden Mining, and SWCC Water Projects.

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Upstream & Downstream Petrochemicals

Operating in places like Jubail and Yanbu demands explosion-proof motors (ATEX/IECEx certified) that withstand harsh sandstorms, highly corrosive marine atmospheres, and cyclic loading. Our high-voltage motors are fully designed to match API 541 and API 547 standards, ensuring stable performance in hazardous locations (Zone 1 & Zone 2).

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Sea Water Desalination (SWCC)

Water scarcity drives Saudi Arabia to rely heavily on massive multi-stage flash (MSF) and reverse osmosis (RO) desalination plants. Our YKS and YRKK high-voltage AC motors provide the continuous shaft power required for large high-pressure brine pumps, featuring high IP56 ingress protection and anti-corrosive coatings to prevent salt air corrosion.

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Mining & Materials Handling (Ma'aden)

Under the expansion of Saudi Arabia's mining sector, minerals like phosphate, gold, and bauxite demand heavy-duty grinding mills and conveyor networks. Our wound rotor induction motors (YR, YRKK series) are built to deliver high starting torque and thermal robustness, handling continuous starting currents in dusty mine fields.

Saudi Arabia High Voltage Industrial Motor Installation

China Factory Manufacturing Advantages for Saudi Customers

Modern mega-projects in Saudi Arabia demand swift execution, absolute reliability, and cost optimization. Choosing Shaanxi Nanfang Motor as your supplier brings the combined strength of Wolong's advanced manufacturing capabilities:

  • Scale & Agility: Wolong's digitalized manufacturing plants operate multiple assembly streams in parallel, allowing us to supply large batches of high-voltage motors within shorter lead times than European competitors.
  • Advanced R&D Synergies: By integrating technologies from global brands like Schorch, Laurence Scott, and ATB, our motors incorporate European R&D quality with Chinese manufacturing cost efficiency.
  • Rigorous Testing Protocols: Every high-voltage motor undergoes full-load testing, temperature rise validation, and vibration spectrum analysis at our national-grade testing center prior to dispatch, ensuring hassle-free Factory Acceptance Tests (FAT) for EPC contractors.

Our Industry Solutions & Brand Pedigree

Integrating global engineering heritage to solve complex mechanical drive challenges.

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ATEX / IECEx / EAC Certified

We supply diverse explosion-proof certified motors matching global and regional safety guidelines for hazardous zones, chemical pipelines, and gas collection systems.

High-Efficient & Energy Saving

Offering IE3, IE4, and highly advanced IE5 efficiency ratings alongside permanent magnet synchronous technologies to significantly lower operational expenditure.

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Diversified Product Lines

A comprehensive portfolio covering high-voltage squirrel cage, slip ring, marine grade, high-temperature fire pumps, and variable frequency control motors.

A Century of Global Manufacturing Expertise

How Wolong's strategic acquisitions combined the best of European design and global manufacturing prowess.

Austrian ATB Motor Group Acquisition

Austrian ATB Group & Morley (Mining Specialists)

In 2011, Wolong acquired a 97.94% stake in Austria's ATB Group, one of Europe's top three electric motor manufacturers. This acquisition brought key heavy-duty brands into the family, including Morley. With a legacy spanning nearly 130 years, Morley motors represent reliability in underground mining and heavy industrial drives, engineered to survive high-impact operations.

Brook Crompton Laurence Scott Electric Motors

Laurence Scott & Brook Crompton

Laurence Scott is historically known for supplying specialized low-starting-current motors for nuclear power stations and marine vessels. Brook Crompton, boasting over a century of experience, is a pioneer in manufacturing high-efficiency low-voltage and medium-voltage AC induction motors. This heritage underpins our current product designs with proven thermal margins and electrical designs.

Schorch Electric Motors and GE Partnership

Schorch & General Electric (GE) Industrial Motors

Established in Germany in 1882, Schorch motors are widely used in chemical, oil, gas, and steel processing test beds. In 2018, Wolong integrated General Electric’s (GE) industrial motor division, further enhancing our access to heavy-duty industrial designs. This combination supports our high-voltage designs, meeting API standards for petrochemical installations across Saudi Arabia.

OLI Vibration Motor & Nanyang Explosion Proof

OLI Vibration & Nanyang Explosion Proof (CNE)

With OLI leading the global vibration motor market, and Nanyang Explosion Protection Group (China's leading explosion-proof motor scientific base) joining in 2015, we provide high-security electrical drives for petrochemical, defense, and nuclear applications, satisfying both Chinese national standards and international ATEX/IECEx certifications.

Global Certifications & Structural Standards

Fully compliant with international and regional quality standards for seamless project integration.

Nemko ATEX Certification Nemko/ATEX
CSA Certificate CSA
CE Mark CE
CC Certificate CC
SABS Certificate SABS
Testsafe Standard TESTSAFE

We deploy a comprehensive compliance framework to ensure smooth commissioning in Saudi Arabia:

  • ISO 9001 Standard: Our manufacturing processes adhere to ISO 9001 quality systems, establishing structural traceability for key raw materials and critical components.
  • NEMA Standards: We offer a range of NEMA-compliant frame configurations, verifying starting currents, noise tolerances, torque curves, and efficiency ratings.
  • IECEx and ATEX: High-voltage and explosion-proof motors are certified by leading European test laboratories, confirming they meet thermal and explosive atmosphere criteria.
  • TESTSAFE: This certification supports mining machinery, providing compliance verification for heavy operations.

Inside Our High Voltage AC Motors

Deep dive into the premium materials and engineering designs that prevent motor downtime.

Dynamic Squirrel Cage Rotor Fabrication

Precision Squirrel Cage Rotors

Our rotors utilize centrifugal cast aluminum or high-grade copper bars for larger frames, offering mechanical stability, starting torque, and heat dissipation under cyclic loading.

High Voltage VPI Stator Coils

VPI Processed Stator Coils

Stator coils feature double glass-fiber covered copper wire with Class F/H insulation. The Vacuum Pressure Impregnation (VPI) process provides resistance to moisture, chemicals, and electrical stress.

Heavy Cast Iron Motor Frame Simulation

Optimized Cast Iron/Steel Frame

Designed using multi-physics structural and fluid dynamic simulations, our motor frames feature high rigidity, low vibration levels, and efficient heat dissipation surfaces.

Low Noise Fan Hood System

Low-Noise Fan & Hood Assembly

Featuring an integrated air-guide structure, silencer plating, and IP22/IP23 rating, our ventilation layout minimizes drag, reduces noise, and ensures reliable motor cooling.

State-of-the-Art Production & Testing Facilities

Ensuring compliance with international engineering specifications through precision manufacturing.

Frequently Asked Questions & Technical Reference

Clear answers to help procurement managers and engineering professionals evaluate and specify high-voltage AC motors.

1. What starting configurations are recommended for High Voltage AC Motors in Saudi Arabia?
For motors operating on the Saudi grid, direct-on-line (DOL) starting is common, but it results in high starting current peaks. To protect electrical infrastructure, soft starters or Variable Frequency Drives (VFDs) are widely specified for high-inertia equipment like pump systems in desalination plants and industrial cooling fans.
2. How do Wolong motors handle the ambient heat and sandstorms in Saudi desert installations?
Our motors are built with Class F or H insulation, designed for low temperature rise (Class B) to provide a thermal margin at high ambient temperatures (up to 55°C). They feature IP55, IP56, or IP65 ingress protection ratings to prevent fine dust and sand from entering the bearings and windings.
3. What is the difference between IC411 and IC611 cooling methods for high-voltage motors?
IC411 relies on totally enclosed fan cooling (TEFC) with external surface ribs, commonly used for compact low-to-medium output motors. IC611 utilizes a top-mounted air-to-air heat exchanger, ideal for larger high-voltage AC motors in dusty environments because it keeps the internal hot air loop separated from sand and dust.
4. Can Shaanxi Nanfang Motor customize motors to comply with Saudi Aramco SAMSS standards?
Yes, our design team customizes motor configurations to meet Saudi Aramco SAMSS standards, including API 541/547 requirements, specific instrumentation like RTDs, custom vibration sensors, specialized terminal boxes, and particular painting specifications for coastal environments.
5. What testing procedures are performed before the high-voltage motors leave the factory?
Every high-voltage AC motor undergoes standard routine tests, including insulation resistance measurement, winding resistance testing, no-load characteristics, and vibration checks. Type tests like temperature rise measurements, full load performance validation, and noise testing are also available to support Factory Acceptance Tests (FAT).
6. What is the typical lead time for a custom high-voltage motor shipped to Jubail or Jeddah port?
Standard high-voltage designs are typically manufactured within 8 to 12 weeks. Fully customized designs that require specific API compliance or marine certifications usually take 14 to 18 weeks. Shipping from China to major Saudi ports (such as Dammam or Jeddah) adds approximately 3 to 4 weeks.