• Mar 20, 2025
• Case Studies

15T Explosion-Proof Winches for Saudi Arabian

Explore the 15T explosion proof winch case studies to learn how these winches can improve safety and efficiency in hazardous environments.

The client is a well-established Saudi Arabian petrochemical company that specializes in the production and transportation of flammable gases and liquids. They operate in Zone1/2 areas where explosive gases and vapors are routinely present. Due to the volatile nature of their materials, their operational environment presents significant risks related to fire and explosions. Safety, reliability, and compliance with ATEX & IECEx standards are non-negotiable in such environments. The company operates across refineries, offshore platforms, and chemical storage facilities, where high safety standards are critical.

Customer's Core Needs & Operational Challenges

The client needed a dependable lifting solution that works safely in a hazardous refinery environment. They wanted gear that keeps people and assets safe. They also wanted fewer stoppages and clearer, faster lifts. The new system must meet strict safety rules, handle heavier loads, and resist harsh chemicals and weather.

1. Strict Compliance in Hazardous Zones

The custome need explosion-proof winches that are built and certified for gas-zone service. Certifications such as ATEX Ex d IIB T4 and IECEx show the equipment has been tested to prevent sparks, hot surfaces, or electrical faults from igniting flammable vapors in Zone 1/2 areas. Look for clear marking and paperwork with each unit, and make sure wiring, junctions, and enclosures are all flameproof. Grounding, bonding and periodic inspection records are essential to keep customer's permit-to-work and audit trails clean.

2. Limited Load Capacity

Their original winch was not strong enough, so the construction team sometimes disassembled pumps, valves and pipe modules into smaller parts. That costs time and raises safety risks. We need to provide a suitable winch based on the actual load on site. They need winches with a higher rated load to reduce the complexity of the lifting operation. Make sure the system includes rated lifting accessories, clear capacity labeling, and load monitoring so they can lift confidently and plan jobs faster.

3. Poor Durability

Years of exposure to corrosive chemicals, salt spray and wide temperature swings wore the previous winches down. Leaking seals, rusted gears and failed electrical contacts are common failure points. Choose designs with corrosion-resistant materials or coatings, robust seals, and sealed electrical enclosures. Easy access to wear parts and a sensible spares policy shorten repairs. Better sealing and component selection cut maintenance time and stop unplanned outages.

Yuantai's 15T Explosion‑Proof Winch: Design & Features

1. Robust Explosion‑Proof Design

The winch's motor and gearbox are enclosed in a flameproof (Ex d) housing that fully contains any internal ignition sources. Its robust cast-iron casing and reinforced steel seams prevent sparks, hot particles, or flames from escaping and igniting surrounding gases or vapors. Precision-machined joints with explosion-proof gaskets and threaded flamepaths meet Ex d certification requirements, ensuring a continuous seal even under thermal expansion or vibration. All enclosure penetrations—cable entries, inspection ports, and lubrication points—use certified Ex d conduit fittings and glands to maintain the barrier, making the winch safe for use in Zone 1 and Zone 2 hazardous areas.

2. High-End Mechanical & Control Components

The explosion-proof control panel comes housed in a heavy-gauge steel cabinet with reinforced, tempered-glass viewing windows to withstand internal pressure and prevent flame egress. We equip it with an anti-spark pendant station that uses intrinsically safe pushbuttons and a sealed membrane interface, and we offer an optional wireless transmitter built to the same ATEX and IECEx Zone 1/2 standards. All cable entries use certified flame-path conduit fittings and Ex d glands to maintain the enclosure's integrity. Inside, the panel layout keeps power and control circuits segregated, with surge protection and earth-fault monitors mounted on DIN rails.

3. Double-Speed Control

Operators benefit from a dual-speed control system that provides both the precision needed for careful load placement and the efficiency required for quick material transfer. A simple two-position switch on the pendant allows you to switch between a low-speed mode (usually around 2.5 m/min) for precise alignment under the hook and a high-speed mode (up to 6 m/min) for quickly moving empty hooks or lighter loads throughout the work area. Placing the switch within thumb's reach eliminates the need to interrupt operations or walk away from the controls to change speeds. This on-the-fly adjustment improves cycle speeds without sacrificing precision, allowing operators to quickly adapt to diverse lifting duties while maintaining seamless operations throughout the shift.

4. Integrated Safety Protections

The winch incorporates multiple layers of safety protection to guard against thermal, overload, and operational hazards. Temperature sensors monitor the motor windings and gearbox bearings and instantly turn off power if they exceed safe operating temperatures. Integrated overload sensors on the drum provide real-time load monitoring and shut power when the weight exceeds 110% of the rated capacity, preventing mechanical strain. Large, clearly accessible emergency-stop buttons on both the pendant and the control panel allow operators to immediately halt all movements in critical situations. Finally, upper and lower limit switches on the rope drum and cable guide detect when the line has reached the end of its travel and stop the motor to prevent the load from over-winding or falling dangerously. This extensive set of safeguards ensures that the winch performs securely under any circumstances.

Broader Applications Beyond Petrochemicals

This 15-ton explosion-proof winch works well outside oil and gas. It pairs heavy lifting with safety features that limit ignition risk. The winch uses sealed enclosures, rugged gearing, and precise speed control. It also supports remote operation and fail-safe brakes. These traits make it useful across many industries that face flammable atmospheres or harsh conditions.

1. Chemical manufacturing plants

Chemical plants handle flammable solvents and reactive gases. The winch's explosion-proof design keeps sparks and hot surfaces away from the atmosphere. Tight seals and certified enclosures protect the electrical components. The unit's precise speed control helps position drums, reactors, and pipe sections safely. Corrosion-resistant finishes and easy access for inspection help keep downtime low.

2. Pharmaceutical and paints facilities

Pharma and paint plants face solvent-vapor hazards and stringent cleanliness rules. The winch prevents ignition sources in solvent-rich areas. It lets operators move containers and mixers with fine control. Smooth starts and stops reduce sloshing and spills. Stainless or coated fittings and simple cleaning access meet hygiene and maintenance needs.

3. Mining operations

Mines can have methane pockets and heavy dust. The winch's flameproof housing prevents internal faults from igniting the mine atmosphere. Robust gearing and strong brakes stand up to rough use. Dust-tight seals and serviceable components cut the need for frequent major repairs. Remote controls let teams operate the winch from safer positions.

4. Wastewater plants

Wastewater sites can collect explosive biogas in confined zones. An explosion-proof winch reduces ignition risks during pump or screen maintenance. It gives steady, controllable lifts for submerged or partially submerged equipment. Marine-grade protection and regular inspection points resist corrosion. Integration with gas sensors and interlocks improves overall site safety.

5. Marine and offshore platforms

Offshore sites combine volatile fuels, tight spaces, and salt spray. The winch's certified explosion-proof design limits ignition danger around fuel and vapor. Corrosion-resistant materials and coatings fight the marine environment. Precise speed and load control help handle supplies, maintenance gear, and transfer operations in rough seas. Weather-proof controls and robust mounting options support long service life.

Why Choose Yuantai's Explosion‑Proof Winches

Yuantai’s explosion-proof winches are designed for safe and reliable lifting in hazardous areas where compliance and uptime matter most. They are certified to ATEX and IECEx standards and clearly labeled for Zone 1 and Zone 2 environments, so you can meet strict safety regulations with confidence. Custom engineering options are available, including dual-speed operation, remote control systems, and compact winch designs for tight spaces. The safety-oriented design includes overload sensors, limit switches, and redundant braking systems to prevent accidents and protect equipment. Yuantai also provides global support with remote installation guidance, local service options, and operator training to ensure smooth operation.

Conclusion & Guide for Procurement

The 15ton explosion‑proof winch delivered to our Saudi Arabian petrochemical client is a benchmark for safety, performance, and compliance. It addressed their previous issues of non‑compliance, operational fragility, and inefficient load handling. The result? A safer, more productive site with significant cost savings over time.

If your facility handles heavy loads in flammable or explosive atmospheres, contact Yuantai Crane today. We offer customized solutions, full certification, remote support, and top-tier after-sales service for critical lifting needs.