NWHEX Explosion-Proof Electric Hoist – Safety & Efficiency for Hazardous Environments

In industries such as food processing, chemicals, petrochemicals, and oil and gas, standard electrical equipment may generate sparks due to friction during operation, posing serious risks in explosive atmospheres. To address these challenges, Novocrane is proud to introduce the NWHEX series — a new line of explosion-proof electric hoists designed to deliver exceptional safety, reliability, and operational efficiency in the most demanding environments.

✅ Certified to the Latest European Standards

Machinery Directive: 2006/42/EC

ATEX Directive: 2014/34/EU

EMC Directive: 2004/108/EC

⚙️ Explosion Protection Ratings

Gas Explosion Protection: Ⅱ3 G c ⅡC T4

Dust Explosion Protection: Ⅱ2 D h ⅢC T135°C

Applicable Hazardous Zones

Gas: Zone 2

Dust: Zones 21 & 22

Ambient Temperature: –20°C to +40°C

Key Advantages

IP66 Dual-Speed Motor & Brake System

The lifting and travel drives combine a high-protection motor and brake for enhanced safety and easier maintenance.

Fully Enclosed Oil-Bath Lubrication

Gearboxes are sealed and oil-lubricated to eliminate sparks from gear contact and reduce wear. Housings are made from cast steel and ductile iron for superior durability in harsh conditions.

Stainless Steel Wheels with Vacuum Quenching

Wheels are crafted from stainless steel and hardened via vacuum quenching, extending service life and preventing sparks caused by wheel-to-rail friction.

Copper-Processed Hooks

Hooks feature high-density copper treatment with a coating thickness exceeding 60 microns, effectively preventing sparks from impact.

Multi-Level Lifting Limit Switch

Installed at the drum end, this device ensures smooth deceleration from high to low speed before stopping, improving operational safety.

Mechanical Load Limiter

Easily adjustable and highly reliable for overload protection.

Ductile Iron Pulleys with Optimized Rope Ratio

Designed to extend wire rope service life through superior material selection and geometry.

Modular Explosion-Proof Control Panel (IP66)

Compact, customizable, and easy to access for maintenance — built for high safety performance.

With the NWHEX series, Novo combines engineering excellence and a commitment to safety to support your most critical operations. Trust Novocrane — where innovation meets protection.