25 Tons Double Girder Gantry Crane

Equipped with dual girders, this 25 tons doubel girder gantry crane ensures greater stability, higher lifting height, and improved working efficiency compared to single girder models. With strong structural design and advanced control systems, it delivers reliable and safe material handling performance for demanding applications.

Semi-gantry double-girder gantry crane

25 Tons RTG Crane

Why Choose Our 25 Tons Double Girder Gantry Crane?

• 1. Unmatched Strength – With a 25-ton load capacity, it effortlessly manages heavy steel, machinery, containers, and oversized components.

• 2. Superior Stability & Safety – The double girder design ensures reliable operation, even under continuous heavy-duty work.

• 3. Built to Last – Crafted from high-strength steel and treated for corrosion resistance, ensuring long-term durability in indoor and outdoor environments.

• 4. Smooth & Precise Control – Options for remote, pendant, or cabin operation, with advanced inverter technology for accurate load positioning.

• 5. Flexible Applications – Whether in ports, factories, construction sites, or logistics hubs, this crane adapts seamlessly to your needs.

• 6. Peace of Mind – Equipped with overload protection, limit switches, anti-sway features, and emergency stop systems to safeguard both operators and equipment.

Technical Specifications

Double girder gantry crane structure diagram

Feature	Specification
Load Capacity	25 tons
Span	10 – 35 m (customizable)
Lifting Height	6 – 30 m (customizable)
Lifting Speed	5 – 12 m/min
Trolley Speed	20 – 40 m/min
Crane Traveling Speed	30 – 50 m/min
Power Supply	3-phase, 380V/50Hz (customizable)
Control Options	Pendant, Remote, or Cabin
Duty Class	A5 – A7 (medium to heavy duty)
Environment	Indoor/Outdoor, -20℃ to +40℃
Optional Add-ons	Anti-sway, overload limiter, rain cover

Application Scenarios Of 25 Tons Double Girder Gantry Crane

application

1. Steel Manufacturing and Metal Processing Plants

In steel mills, the 25 tons double girder gantry crane is used to lift steel billets, coils, and heavy steel plates. The high load capacity and wide span allow efficient handling of large and bulky materials, reducing downtime and ensuring continuous production.

2. Construction Sites

This crane is widely used for handling concrete beams, precast slabs, and heavy construction components. Its ability to work in outdoor environments without additional infrastructure makes it an ideal lifting solution for bridges, highways, and large-scale infrastructure projects.

3. Shipyards and Port Operations

In shipbuilding and ports, the crane is essential for loading and unloading heavy machinery, ship parts, and containers. The dual girder design provides the strength required for lifting oversized loads while maintaining stability and precision.

4. Railway and Transportation Hubs

For railway workshops and logistics centers, the crane handles railway wagons, engines, and heavy cargo with efficiency. Its flexibility in large open yards improves productivity in cargo handling and assembly operations.

5. Mining and Heavy Equipment Industries

The 25 tons double girder gantry crane supports lifting mining machinery, crushers, and excavation equipment. Its robust structure ensures safety and reliability when dealing with irregular and oversized loads.

Product Structural Features of 25 Tons Double Girder Gantry Crane

1. Double Girder Main Beam

• Welded with high-strength steel plates for excellent rigidity and durability.

• Optimized flange and web design ensures high load-bearing capacity and stability.

• Modular design allows customization for different spans.

• Anti-corrosion surface treatment (painting or galvanizing) ensures long service life in outdoor conditions.

2. Gantry Legs

• Box-type or tubular structure with strong rigidity and stability.

• Designed with rigid and flexible legs to reduce lateral stress caused by rail installation errors.

• Equipped with buffer devices at the bottom to minimize running impact.

3. Hoisting Trolley

• Mounted between the double girders and equipped with electric winch or hoist.

• Runs smoothly with gearbox and frequency control for precise positioning.

• Compact design for easy inspection and maintenance.

4. Hoisting Mechanism

• Rated lifting capacity of 25 tons with high-power motor and drum set.

• Equipped with overload limiter, upper/lower limit switches, and safety brake systems.

• Optional single hook or crane double hook design to meet various lifting requirements.

5. Traveling Mechanism

• Includes trolley traveling and crane traveling systems.

• Soft start or frequency inverter control ensures smooth and shock-free movement.

• Wheels are made of wear-resistant alloy steel for long service life.

6. Electrical System

• Multiple control options: pendant control, wireless remote control, or cabin control.

• Advanced PLC + frequency inverter technology for stable start-up and precise load positioning.

• Safety features include emergency stop, overload protection, and phase-sequence protection.

7. Cabin (Optional)

• Fully enclosed cabin with ergonomic design for operator comfort.

• Wide field of vision, with optional air conditioning, fan, and noise insulation.

8. Safety and Additional Devices

• Standard devices include wind anchor, rail sweeper, and derailment protection.

• Optional anti-sway system improves lifting accuracy.

• Rain cover and dust-proof protection extend the lifespan of motors and electrical parts.

25 Ton Double Girder Gantry Crane Manufacturing Process

FAQ: 25 Tons Double Girder Gantry Crane

Q1: Why should I choose a double girder over a single girder gantry crane?

A1: Double girders provide higher lifting height, greater stability, and longer lifespan—perfect for demanding industries.

Q2: Can this crane be customized to my site requirements?

A2: Absolutely. Span, lifting height, control system, and safety features can be fully tailored.

Q3: Is it suitable for outdoor use?

A3: Yes, with weather protection features and durable construction, it performs reliably in outdoor yards, ports, and construction sites.

Q4: What safety measures does it include?

A4: Overload protection, limit switches, anti-collision, emergency stop, and optional anti-sway technology.

Q5: How do I maintain the crane?

A5: Regular inspections, lubrication, and checking electrical systems will ensure long service life and stable operation.