Different types of 20 ton overhead crane for sale you can choose:

The prices of 20 ton overhead cranes can vary widely based on factors such as brand, specifications, features, and regional differences. It's recommended to contact suppliers or manufacturers directly for the most accurate and up-to-date pricing information. When inquiring about prices, be sure to provide detailed specifications and requirements for the overhead crane you're interested in, as this can significantly impact the cost. 

Safety Features of 20 Ton Overhead Crane: 

The safety features of a 20 ton overhead crane are critical to prevent accidents, equipment damage, and operational downtime. 

1. Overload Protection

• Function: Prevents the 20 ton overhead crane from lifting loads beyond its rated capacity.
• How it works: A load cell or pressure sensor stops lifting if the load exceeds 20 tons.
• Benefit: Protects the 20 ton overhead crane structure, hoist, and motor from strain or failure.

2. Emergency Stop System

• Function: Immediately halts 20 ton overhead crane operation in an emergency.
• Placement: Located on control panels, pendants, or remote devices.
• Benefit: Allows operators to quickly respond to hazards.

3. Limit Switches

• Hoist Upper/Lower Limit Switches: Stop the hook at maximum/minimum lift positions.
• End Stop Limit Switches: Prevent trolley or bridge from colliding with end stops.

4. Anti-Collision Devices (for multi-overhead crane setups)

• Function: Use sensors to maintain a safe distance between 20 ton overhead cranes operating on the same runway.
• Benefit: Prevents crashes and structural damage.

5. Overheating Protection

• Function: Thermal sensors shut down motors if they overheat.
• Benefit: Prevents fire hazards and extends motor lifespan.

6. Sway Control System (Optional Advanced Feature)

• Function: Reduces load swing using smart control algorithms.
• Benefit: Increases precision and safety in load handling.

7. Motor Brakes and Fail-Safe Braking

• Automatic Braking: Activates in case of power failure or control loss.
• Holding Brakes: Keep the load stationary when the 20 ton overhead crane is not moving.

8. Load Indicator and Alarm Systems

• Real-time load monitoring
• Visual/Audible Alarms: Triggered during overload, fault detection, or unsafe operation.

How to Maintain Your 20 Ton Overhead Crane:

Proper maintenance of a 20 ton overhead crane ensures safety, prolongs equipment life, and reduces downtime. To keep your 20 ton overhead crane in optimal condition, follow these key practices:

• Daily Inspections: Begin each shift with a thorough visual and functional inspection. Check for unusual noises, vibrations, or signs of wear. Examine wire ropes, chains, and hooks for damage or deformation. Test the functionality of limit switches, brakes, and emergency stop controls to ensure safe operation.
• Lubrication: Regular lubrication of moving parts is critical. Focus on components such as wire ropes, bearings, and gears of 20 ton overhead crane, using lubricants recommended by the manufacturer. Proper lubrication reduces friction and prevents premature wear and tear.
• Electrical System Checks: Periodically inspect electrical components for loose connections, frayed wires, or corrosion. Test all control functions to ensure they operate correctly, and promptly replace any worn fuses, relays, or switches to prevent electrical failures.
• Mechanical Component Maintenance: Inspect the hoist drum, sheaves, and load block for cracks or excessive wear. Ensure all components are properly aligned and tensioned. Tighten bolts and secure fasteners to avoid mechanical failures during 20 ton overhead crane operation.
• Cleaning: Keep the 20 ton overhead crane clean and free from dust, grease, and debris. Clean motor vents and electrical panels to prevent overheating and ensure optimal performance.

Custom-Built 20 Ton Overhead Cranes – Tailored for Your Needs:

• Tailored Design: Custom 20 ton overhead crane take into account your building dimensions, load types, lifting height, and span requirements. Whether you need a top-running double girder crane for heavy-duty lifting or a compact under-running system for limited headroom, the design is optimized for your workflow and layout.
• Enhanced Safety Features: Safety is a top priority in custom 20 ton overhead crane design. Systems can be equipped with advanced safety elements such as overload protection, anti-collision sensors, limit switches, and emergency stop functions. For high-risk environments, additional protections like heat shielding or explosion-proof components can be added.
• Precision Controls: Custom 20 ton overhead crane often include variable frequency drives (VFDs), radio remote controls, and touch-screen diagnostics. 
• Integration with Existing Systems: A custom 20 ton overhead crane can be built to integrate seamlessly with your current equipment, including conveyors, automated lines, or warehouse management systems.  
• Durability and Reliability: Components are selected to match your operational intensity—whether you’re running continuous shifts in a steel plant or handling irregular heavy loads in a fabrication shop. Options like heavy-duty hoists, corrosion-resistant finishes, and reinforced structures ensure long-term reliability.
• Scalability and Upgrades: Custom 20 ton overhead crane can be designed with future scalability in mind. Whether you plan to upgrade to automation, add lifting capacity, or expand your facility, your crane can be built to grow with your operation. 

Step-by-Step Guide to Installing a 20 Ton Overhead Crane:

• Site Assessment and Preparation: Begin with a thorough site survey to evaluate structural integrity, space availability, and environmental conditions. Check building columns, foundations, and ceiling height to confirm they meet 20 ton overhead crane specifications.  
• Design Review and Engineering Approval: Collaborate with the 20 ton overhead crane manufacturer or engineering team to finalize technical drawings, including runway layout, support structures, and electrical systems.  
• Foundation and Runway Installation: Construct or reinforce foundations if needed, then install runway beams and rails. Ensure precise alignment, level tracks, and secure anchoring to guarantee smooth 20 ton overhead crane movement and long-term stability.
• Crane Assembly: Assemble the bridge girders, hoist, and trolley components on the ground, following manufacturer instructions. Use lifting equipment like mobile cranes or forklifts to raise and place the assembled 20 ton overhead crane onto the runway beams.
• Electrical and Control System Setup: Connect all electrical components, including the power supply, control panels, and wiring for the hoist, trolley, and bridge motors. Install control stations, radio remotes, or pendant systems as required, and test voltage levels and motor rotation.
• Safety System Installation: Set up limit switches, overload protection devices, emergency stops, and warning alarms. Ensure all safety features are properly calibrated and functional.
• Testing and Commissioning: Conduct operational tests, including no-load and load tests, to verify 20 ton overhead crane performance, stability, and safety compliance.  

Energy-Efficient 20 Ton Overhead Cranes – Save on Operating Costs:

• High-Efficiency Motors: Energy-efficient 20 ton overhead crane are equipped with premium-grade motors that consume less power and deliver better torque. These motors reduce energy waste during lifting and movement, making them ideal for operations with frequent use.
• Variable Frequency Drives (VFDs): VFDs control motor speed and torque precisely, allowing smoother starts and stops. By minimizing sudden surges of electricity and mechanical stress, VFDs extend component life and cut down on energy use, especially in multi-shift or heavy-duty environments.
• Lightweight and Modular Design: Modern 20 ton overhead crane structures are optimized for weight reduction without sacrificing strength. Lighter designs require less energy to move, which decreases overall power consumption during 20 ton overhead crane travel and hoist operations.
• Smart Controls and Automation: Energy-efficient 20 ton overhead crane often come with intelligent control systems that optimize movement paths, reduce idle times, and adjust power usage based on load weight.  
• LED Lighting and Low-Power Components: Integrated LED lighting and low-energy control panels contribute to reduced overall power usage. These features enhance visibility and safety while consuming far less energy than traditional systems.

Application of 20 Ton Overhead Crane:

1. Manufacturing and Fabrication: Especially those involved in metal fabrication, machinery assembly, or automotive production, 20 ton overhead cranes handle large components, raw materials, and finished goods.  
2. Steel Mills and Foundries: These 20 ton overhead crane are commonly used in steel plants and foundries to move heavy steel coils, billets, and molten metal containers. Built to withstand high heat and continuous duty cycles, they are equipped with heat-resistant parts and specialized lifting attachments.
3. Warehousing and Logistics: In large distribution centers and warehouses, 20 ton overhead cranes streamline the loading, unloading, and stacking of bulky goods or machinery. 
4. Construction and Infrastructure Projects: 20 ton overhead crane assist in lifting and placing large structural components like beams, columns, and concrete blocks. 
5. Power Plants and Energy Facilities: These 20 ton overhead crane are used for lifting heavy equipment such as turbines, transformers, and generators during installation or maintenance, ensuring reliability and precision in high-risk environments.
6. Shipbuilding and Marine Applications: In shipyards, 20 ton overhead crane handle large metal sections, engines, and outfitting components. Their ability to lift and move oversized loads with accuracy is crucial in ship construction and repair.