40 Ton Explosion Proof Overhead Crane with Open Winch for Sale Germany-Case

Introduction： 40 Ton Overhead Cranes with Explosion Proof Design

Client's Need for a 40 Ton Explosion Proof Overhead Crane in Germany

Our client operates in a highly demanding industrial environment in Germany. They needed a heavy-duty crane that could safely handle loads up to 40 tons. More importantly, the work area is classified as hazardous due to the presence of flammable gases and dust. This made safety a top priority.

They required a crane built to strict explosion-proof standards. The goal was to prevent any sparks or heat that could ignite the atmosphere. The crane also had to fit seamlessly into their existing facility, with enough lifting height and span to cover their workspace efficiently.

Why an Explosion Proof Crane is Critical

In industries like chemical processing, oil refining, or certain manufacturing plants, safety can never be compromised. Regular cranes, even if strong enough, don't offer protection against explosions. An explosion proof crane reduces the risk of accidents by:

• Preventing sparks from electrical components
• Using specially designed motors and brakes that don't ignite gases
• Ensuring mechanical parts operate smoothly without friction sparks
• Following strict international safety certifications

Using an explosion proof crane is more than just compliance — it protects lives, assets, and business continuity.

Purpose of This Case

This case shows how we provided a tailored solution: a 40 ton explosion proof overhead crane with an open winch specifically designed for the German market. We will detail how this crane meets strict safety rules while delivering reliable performance.

The crane is built to the EXDIIAT3 standard — a high-level explosion-proof rating recognized worldwide. It balances power and safety perfectly for hazardous environments. This case highlights the technical features and benefits that made this crane the right fit for our client's needs.

Project Overview

Client Profile and Industry

Our client is a well-established chemical manufacturing company based in Germany. Their operations involve handling volatile substances that require strict safety controls. Because of the nature of their work, they needed a crane that could operate safely in potentially explosive environments.

The client handles large, heavy equipment and materials regularly. So, they needed a crane with a lifting capacity of 40 tons to support their daily operations without risk.

Scope of Supply

We supplied a complete explosion proof overhead crane designed with an open winch system. This design allows for easy maintenance and clear visual inspection of the hoisting mechanism.

Key features included:

• Explosion proof electrical components rated EXDIIAT3
• A heavy-duty box-type main structure for stability and strength
• Ground-level control for safe and precise crane operation
• Open winch design to simplify troubleshooting and servicing

The crane was customized to fit the client's facility layout with a 22-meter span and 18-meter lifting height, ensuring full coverage of the workspace.

Key Objectives

The main goals for this project were:

• Safety: Ensure all parts meet strict explosion-proof standards to protect workers and the facility.
• Compliance: Build the crane to meet or exceed local and international safety regulations, including German and European codes.
• Operational Efficiency: Provide a crane that not only is safe but also reliable and efficient for daily heavy lifting tasks.

By focusing on these objectives, we delivered a crane that fits the client's specific needs and ensures long-term, safe operation in a challenging environment.

Technical Specifications Delivered

Here is the English translation presented in a clear table format for the technical specifications of the product (Bridge Crane):

Main Parameters

The QB series of double girder explosion proof overhead crane we delivered is designed to meet the tough demands of heavy industrial lifting. Here are the key specs:

• Rated lifting capacity: 40 tons — strong enough for most heavy materials and equipment in the client's facility.
• Span: 22 meters — this wide span allows the crane to cover a large working area, giving flexibility in material handling.
• Lifting height: 18 meters — enough vertical reach to move loads over tall obstacles and storage racks.
• Overall working level: A3 — this classification means the crane is suitable for regular, moderate duty cycles, perfect for the client's daily operations.
• Maximum wheel pressure: 315 kN — ensuring the crane stays stable and safely distributes its load over the runway rails.

These parameters ensure the crane can handle heavy, repetitive tasks reliably without compromising safety.

Structural Design

The crane's structure is built for durability and safety in harsh environments:

• Box-type main structure: The crane's main girder uses a box-shaped steel design. This shape offers excellent strength and rigidity, which helps minimize bending or twisting during heavy lifts. It's a proven design for handling high loads safely.
• Explosion proof certification (EXDIIAT3): Every critical component — from the motor to the electrical wiring — is certified explosion proof. This certification guarantees the crane can operate safely in hazardous areas with explosive gases or dust.
• Ground-operated control system: For maximum operator safety, the crane uses ground-level controls. This means operators stay clear of the load and moving parts during lifting, reducing the risk of accidents.
• Hook-type lifting gear: The crane is equipped with a reliable hook mechanism. This type of lifting gear is versatile and widely used, making it easy to attach a variety of lifting accessories as needed.

Together, these design features provide a safe, stable, and flexible crane solution tailored for the client's needs.

Lifting Mechanism Features

The lifting mechanism is designed for smooth, safe, and reliable operation. Key features include:

• Adjustable lifting speed: The crane can lift loads at speeds between 0.4 and 2 meters per minute. This flexibility allows operators to choose slower speeds for precise positioning or faster speeds when moving loads quickly.
• Explosion-proof motor: Powered by a 15 kW explosion-proof motor (model 1MB1153-2AD53-4AA4), built to prevent sparks or heat that could ignite hazardous atmospheres.
• Dual main brakes: Equipped with two BYWZ4-300/45 brakes, each providing 630 Nm of torque. These brakes offer reliable stopping power and enhanced safety during lifting and holding of heavy loads.
• Heavy-duty wire rope: Uses a durable wire rope model Φ22NAT-6X19W-FC1770, designed to handle heavy weights and resist wear for long-term use.

These features combine to ensure safe lifting in hazardous zones, while providing the strength and control the client requires.

Traveling Mechanism Features

The crane's traveling mechanisms are equally robust and flexible:

• Main trolley travel speed: The main trolley moves at speeds between 1.5 and 15 meters per minute. It is powered by two 4 kW motors, giving smooth and reliable horizontal movement across the crane's span.
• Small trolley travel speed: The smaller trolley, which moves along the main girder carrying the hoist, can travel between 2 and 30 meters per minute. It uses two 2.2 kW motors, allowing quick movement for load positioning.
• Explosion-proof brakes: Both trolleys are fitted with BYWZ4-200/25 explosion-proof brakes. These brakes ensure dependable stopping power to keep the crane safely controlled during travel.

Together, these traveling features provide the client with responsive control and safety when moving heavy loads across the facility. Check more information on the tradtional types open winch trolley for heavy lifting . 

Explosion-Proof Compliance and Safety

EXDIIAT3 Certification and German Standards

Our 40 ton overhead crane carries the EXDIIAT3 explosion-proof certification, which is one of the highest safety ratings for hazardous environments. This certification means the crane is designed to operate safely in areas where explosive gases or dust may be present.

In addition, the crane fully complies with all relevant German safety regulations for hazardous industrial zones. This ensures that the equipment meets strict local laws and industry best practices, giving our client peace of mind.

Design to Prevent Ignition Risks

The crane's design carefully addresses all potential sources of ignition. Key considerations include:

• Using explosion-proof motors and brakes that eliminate sparks or overheating
• Sealing electrical parts to prevent gas or dust from entering sensitive areas
• Designing mechanical parts like the open winch to minimize friction and heat build-up
• Choosing materials and components that resist corrosion and wear, reducing failure risks

These steps help ensure that even in the harshest environments, the crane will not trigger any explosions.

Explosion proof electrical box of  explosion proof overhead crane 40 ton for heavy lifting for sale in Germany

Explosion proof crane hook of 40 ton overhead crane with open winch for hazardrous environments

Integrated Safety Features

Safety is built into every part of the crane, both electrical and mechanical:

• Explosion-proof electrical wiring and control systems that prevent short circuits and sparks
• Dual braking systems for fail-safe stopping power
• Robust overload protection to avoid lifting beyond safe limits
• Ground-operated controls that keep operators at a safe distance from the load and moving parts

Together, these features create a secure and reliable crane system that prioritizes worker safety and operational stability in hazardous areas.

Installation Environment and Operational Conditions

Electrical Compatibility

The crane is fully adapted to operate within Germany's standard power supply system:

• Voltage: 400 volts — matching typical industrial power infrastructure.
• Frequency: 50 Hz — ensuring smooth motor performance and compatibility with local electrical standards.

This alignment means the crane can be installed and operated without electrical conversion issues or extra equipment.

Ambient Temperature Range

The crane is designed to work reliably in a wide temperature range, suitable for many industrial environments across Germany:

• Operates efficiently in temperatures from -10°C to 55°C.
• This ensures the crane functions well during cold winters and warm summers, without risk of motor overheating or mechanical failure due to temperature extremes.

Installation Environment

This crane is specifically built for indoor use in hazardous environments where explosion risks exist, such as:

• Chemical plants
• Paint shops
• Manufacturing facilities handling flammable materials

The explosion-proof design combined with its robust build makes it ideal for environments where safety is critical. Being indoors also protects the crane from weather-related wear, further improving its lifespan and reliability.

Compliance with Standards

Adherence to Chinese National Standards

The 40 ton explosion proof overhead crane is designed and manufactured following two key Chinese standards:

• GB/T 3811-2008 — This standard sets out the design requirements for bridge cranes, ensuring strength, durability, and safe operation under heavy loads.
• GB/T 14405-2011 — This standard governs the manufacturing processes and quality control for cranes, guaranteeing that every part meets strict quality benchmarks.

Importance of Compliance

Meeting these standards means the crane is built to last and operate safely over many years, even in demanding industrial settings. This is critical for the client in Germany, who depends on the crane for daily heavy lifting tasks.

Because these standards are internationally respected and align closely with European norms, the crane also meets many expectations for performance and safety within German industry.

Benefits of Certified Compliance

• Long-term reliability: Rigorous design and manufacturing rules help prevent premature failures.
• Safe operation: Ensures all safety features and protections are correctly implemented.
• Peace of mind: Clients can trust the crane meets recognized quality and safety benchmarks, reducing downtime and risk.

Benefits Realized by the Client

Robust and Durable Structure

The client received a heavy-duty box-type main structure that is engineered for tough industrial use. This design provides:

• Strong resistance against bending and twisting during heavy lifts
• Long-lasting durability to handle daily operations without fatigue or damage

Certified Explosion Proof Safety

With the EXDIIAT3 explosion proof certification, the client gained a crane built specifically for hazardous zones. This certification means:

• Full protection against sparks, heat, and electrical faults that could cause explosions
• Confidence that the crane meets the highest safety standards required in risky environments

Improved Operational Productivity

The crane's efficient lifting speeds (0.4–2 m/min) and traveling speeds (main trolley: 1.5–15 m/min, small trolley: 2–30 m/min) helped the client:

• Move heavy loads quickly and precisely
• Reduce downtime and speed up production cycles
• Operate smoothly in tight or complex spaces thanks to responsive controls

Tailored to Client Needs

Every aspect of this crane was customized to meet the specific requirements of the client's facility in Germany:

• 40 ton lifting capacity exactly matching load needs
• 22-meter span and 18-meter lifting height fitting the plant layout perfectly
• Explosion proof open winch design for easier maintenance and inspection

Overall, the client received a reliable, safe, and efficient 40 ton explosion proof overhead crane that supports their daily operations confidently and securely.

Sales, Delivery, and After-Sales

We ensured the 40 ton explosion proof overhead crane was delivered on schedule to the client's site in Germany. Our experienced installation team handled the setup, ensuring all components were assembled and tested according to strict safety and quality standards. This smooth process helped minimize downtime and allowed the client to start operations quickly.

After installation, we provided thorough commissioning of the crane system to verify performance and safety. We also conducted hands-on training sessions for the client's operators, focusing on safe crane operation, emergency procedures, and routine inspections. This ensured the client's team felt confident and well-prepared to use the crane effectively.

We provide all necessary warranty papers and certification documents that comply with German regulations. These documents give the client assurance about the quality, safety, and legal compliance of the crane.

Explosion proof crane parts and components , such as explosion proof pendant control and other electricals, cables, power supply lines, etc. 

main girder of qb explosion proof overhead crane with open winch for delivery in Germany

Steel structured  of QB series of double girder explosion proof overhead crane

40 ton explosion proof overhead crane  open winch trolley for delivery to Germany

Conclusion: Send Us an Inquiry on Explosion Proof Overhead Crane

The 40 ton explosion proof overhead crane with open winch we delivered perfectly met the client's requirements in Germany. It combines a heavy-duty, durable design with top-level explosion-proof safety and smooth, efficient operation.

This crane not only meets strict safety and compliance standards but also enhances productivity with reliable lifting and traveling performance — exactly what the client needed for their hazardous environment.

If your industry in Germany is looking for a similar explosion proof overhead crane solution, don't hesitate to reach out. Send us an inquiry today, and let's discuss how we can tailor a safe, efficient, and certified crane to fit your exact needs.