Double Girder Overhead Cranes for Sale, Crane Supplier in China

Double Girder Overhead Cranes for Sale in China: Types of Industrial Double Girder Bridge Cranes Tailored for Every Sector

Introduction

Double girder overhead cranes, also known as double girder EOT cranes or double girder bridge cranes, are the ideal choice for heavy-duty industrial lifting. They provide longer spans, higher lifting heights, and superior load capacities compared to single girder cranes.
As a leading double girder overhead crane manufacturer and supplier in China, we offer a wide range of girder overhead cranes, including top running double girder cranes and double girder gantry cranes, customized to meet diverse industrial needs.
This comprehensive guide will help buyers understand the different types of double girder overhead traveling cranes and double girder EOT cranes, enabling informed purchasing decisions for various sectors such as steel, metallurgy, power, waste handling, and hazardous environments.

Classification of Double Girder Overhead Cranes for Sale in China

By Hoisting SystemWhen it comes to hoisting systems, the choice of mechanism plays a big role in how well the crane performs for your specific needs. In China, the main types of hoists used on double girder overhead cranes are:

NLH double girder overhead overhead cran with European style low headroom electric hoist trolley 

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Electric Wire Rope Hoist Trolley Overhead Cranes  (LH, NLH)
These are the workhorses for medium-duty lifting jobs. They are common in general manufacturing and fabrication shops where reliability and energy efficiency matter.
They usually have:

• Smooth operation with less vibration
• Good energy-saving features due to advanced motor technology
• Easy maintenance and long service life
• Suitable for lifting capacities ranging roughly from 3 to 80 tons

Open Winch Trolley Double Girder Overhead Crane  (QD, QDX)
If your application requires heavy-duty lifting with precision, open winch trolleys are the way to go. You’ll see these cranes in steel mills, machinery factories, and heavy industry plants.
Key points include:

• High lifting capacity, often from 3 tons up to several hundred tons
• Designed for tough working conditions and heavy loads
• Precise load control for safe handling of sensitive or oversized materials
• Typically heavier and require more space than wire rope hoists

By Control Mode

How you control your double girder overhead crane can impact both safety and efficiency. Different industries and workshop setups call for different control styles. Here are the common control modes available:

• Manual Control
  Simple and cost-effective. Operators use a direct manual interface, usually suitable for small workshops or places with minimal automation.
• Pendant Control
  This is the classic push-button control pendant. It allows operators to stand clear of the load while maintaining full control of crane movements. Pendant control is common across most industries due to its reliability and ease of use.
• Cabin Control
  For large spans or complex operations, a cabin mounted on the crane itself gives the operator a direct view of the load and surroundings. This is ideal for heavy industry or shipbuilding where precision is critical.
• Wireless Remote Control
  Increasingly popular for its convenience and safety. Operators can move freely around the site, controlling the crane from a safe distance. It’s great for hazardous environments or areas where visibility is limited.

By Industry and Application

Different industries have different needs, so double girder overhead cranes are often customized or chosen based on the working environment and load types. Here’s a quick breakdown of where these cranes are commonly used:

• General Workshops and Fabrication Shops
  Used for assembly, welding, and material handling of medium loads. Often equipped with electric wire rope hoists and pendant controls for versatile operation.
• Metallurgy & Steel Mills
  These are heavy-duty cranes built to handle molten metal ladles, billets, and steel slabs. They may feature open winch trolleys and explosion-proof options to handle harsh environments.
• Chemical Plants and Power Stations
  Require cranes that can operate safely in hazardous or explosive atmospheres. Explosion-proof double girder cranes with special controls and insulation are common here.
• Mining & Tunneling Operations
  Often involve bulky materials like ore and rock. Cranes are rugged, designed for outdoor or harsh conditions, and might include grab buckets or electromagnetic attachments.
• Nonferrous Smelting
  Handling aluminum, magnesium, or other metals that require insulated cranes to prevent electrical conduction and ensure safety.
• Waste-to-Energy Plants
  Cranes equipped with grab buckets or special hooks to handle garbage, ash, or biomass materials continuously and reliably.
• Paper Mills
  Generally lighter loads but require precise handling of rolls and materials. Cranes here may focus on smooth operation and frequent use cycles.
• Rail Yards and Precast Concrete Facilities
  Double girder gantry cranes or overhead bridge cranes used to move heavy rail components, concrete segments, and assemblies efficiently.
• Shipbuilding Yards
  Large-span cranes designed to lift heavy hull sections, molds, and ship components with high precision. Typically equipped with cabin control for better operator visibility.

If you want, I can help write the next section or add practical tips for choosing the right hoisting system or control mode!

Common Types of Double Girder Industrial Overhead Cranes from China

Choosing the right model of double girder overhead crane depends largely on your industry, the type of load you handle, and your operational needs. Below is a detailed overview of the most common double girder crane models made in China, what they are best suited for, and their key features.

 

NLH — European Hoist Double Girder EOT Crane

• Application: Widely used in general manufacturing workshops, assembly lines, and light to medium fabrication jobs.
• Capacity Range: 3 to 80 tons — covers a broad range of lifting needs without being too bulky.
• Industry Focus: Suitable for general manufacturing industries, where energy efficiency and operational smoothness are priorities.

Key Features:

• Designed with low headroom in mind, making it ideal for facilities with height restrictions.
• Energy-saving motors and control systems reduce power consumption during operation.
• Smooth and quiet lifting, reducing wear on mechanical parts and improving safety.
• Easy installation and maintenance thanks to modular design and standardized components.

This crane is a great choice if you want a reliable and efficient overhead crane without needing extreme heavy lifting.

LH — Standard Electric Wire Rope Double Girder Overhead Crane

• Application: Perfect for fabrication shops, workshops, and smaller production lines where lifting needs are moderate.
• Capacity Range: 3 to 63 tons — covers light to medium loads efficiently.
• Industry Focus: Fabrication shops, maintenance workshops, and manufacturing plants focused on cost-effectiveness.

Key Features:

• Proven, simple design focused on reliability and ease of use.
• Lower upfront cost compared to more complex crane types.
• Suitable for frequent lifting cycles with low downtime.
• Widely available parts and easy local servicing options.

This model is often the first choice for businesses that want a straightforward, no-frills crane that just works well day after day.

QDX — Euro Open Winch Double Girder Bridge Crane

• Application: Heavy-duty machinery manufacturing, steel mills, and plants requiring precise load control.
• Capacity Range: 3 to 320 tons — covers from medium up to very heavy loads.
• Industry Focus: Machinery manufacturing, steel production, and any industry where precision and heavy lifting meet.

Key Features:

• Open winch design allows for better heat dissipation and easier inspection of the hoisting mechanism.
• Excellent for high-precision lifting where control and safety are critical.
• Strong and robust construction that withstands harsh environments and heavy use.
• Usually equipped with advanced control options like cabin or wireless remote for operator safety and convenience.

If your work involves lifting heavy or oversized parts that demand precision, the QDX model is a reliable option.

QD — General Hook Double Girder EOT Crane

• Application: Heavy industries such as steel mills, foundries, shipbuilding, and large-scale manufacturing.
• Capacity Range: 3 to 550 tons — one of the widest lifting capacity ranges available for overhead cranes.
• Industry Focus: Designed for heavy industry, where versatility and durability are essential.

Key Features:

• Versatile hook system suitable for a wide variety of load types and shapes.
• Very durable design with reinforced girders and components built for continuous, heavy-duty operation.
• Supports large spans and high lifting heights, adaptable to complex facility layouts.
• Often paired with explosion-proof or weather-resistant components for specialized applications.

The QD crane is the go-to choice when you need a tough, all-purpose double girder overhead crane that can handle very heavy and irregular loads.

If you want, I can continue with additional practical tips on how to pick the right model based on your specific project or industry!

Specialized Double Girder Overhead Cranes by Industrial Sector

Different industries have unique requirements when it comes to lifting equipment. That’s why manufacturers offer specialized double girder overhead cranes designed to meet specific challenges and environments. Let’s break down the main types by sector:

1. Metallurgy & Foundry

Handling molten metal and foundry materials is demanding work, and cranes here must be built tough and safe.

QDY Casting Crane (Light Ladle)

• Capacity: 3 to 74 tons
• Features thermal protection systems to withstand the heat from molten metal ladles.
• Designed for quick, safe movement of light ladles during casting processes.
• Offers smooth operation to avoid splashing or shifting of the ladle contents.

YZ Heavy Duty Ladle Casting Crane

• Capacity: 75 to 320 tons
• Built specifically to carry heavy molten steel ladles safely over long spans.
• Reinforced structure with heat-resistant paint and thermal shields.
• Ideal for continuous operation in steel mills and foundries.

QY Insulated Double Girder Overhead Crane

• Capacity: 1 to 50 tons
• Used in electrolyzing plants for aluminum, magnesium, and other metals.
• Insulated design prevents electrical conduction, ensuring worker safety.
• Resistant to corrosion from harsh chemical environments common in smelting.

2. Steel & Scrap Industry

Steel mills and scrap yards need cranes that can handle heavy, often irregular loads like billets, plates, and pipes.

QC Electromagnetic Double Girder Overhead Crane

• Uses strong electromagnets to lift steel billets, plates, and scrap quickly and safely.
• Saves time by eliminating the need for slings or clamps.
• Common in steel manufacturing and recycling plants.

QL Electromagnetic Hanging Beam Crane

• Specialized for steel pipes, profiles, and plate bundles.
• The hanging beam design allows even distribution of load, reducing damage.
• Useful in steel rolling mills and pipe fabrication.

QG Hanging Girder Crane

• Designed for long or awkward loads like beams, rails, and structural profiles.
• Offers extended span and flexibility for moving oversized materials.
• Helps avoid load swinging by stabilizing the lifted item.

3. Bulk Material & Waste Handling

Moving heavy bulk materials and waste requires cranes built for continuous use and tough conditions.

QZ Grab Bucket Double Girder Overhead Crane

• Equipped with grab buckets such as orange peel or clamshell types.
• Handles coal, ore, biomass, garbage, and similar bulk materials.
• Designed for durability and high cycle operations in power plants or processing yards.

QW Waste Incineration Bridge Crane

• Operates 24/7 in waste-to-energy plants.
• Built with special abrasion-resistant components for handling ash and waste.
• Features robust controls for smooth, continuous operation under harsh conditions.

4. Hazardous & Explosion-Proof Double Girder Overhead Cranes

Certain industrial environments require cranes designed to prevent sparks and withstand explosive atmospheres.

QB Explosion-Proof Double Girder Overhead Crane

• Capacity: 5 to 75 tons
• Certified to EX d or EX e explosion-proof standards.
• Uses flameproof motors, sealed electrical systems, and spark-proof brakes.
• Essential in chemical plants, oil refineries, and gas facilities.

QBX European-Style Explosion-Proof Double Girder EOT Crane

• Lightweight frame to reduce building load.
• Advanced frequency inverter controls for smooth start and stop operations.
• Designed for improved energy efficiency and operator comfort.

5. Tandem & Multi-Point Lifting Solutions

Large or heavy loads sometimes require more than one hoist working in sync.

QE Double Winch Double Girder Overhead Crane

• Tandem lifting capacity ranges from (2.5+2.5) to (200+200) tons.
• Ideal for wind turbine components, large tanks, and rotors.
• Synchronization ensures balanced lifting and reduces load stress.

QED Four-Lifting Point Double Girder Overhead Crane

• Equipped with four hoists lifting simultaneously.
• Perfect for large prefabricated segments in construction and shipbuilding.
• High precision control maintains load stability during complex lifts.

6. Shipbuilding & Rail Yard Cranes

These cranes handle very large, heavy, and often awkward loads typical in shipbuilding and rail construction.

QCS Shipbuilding Workshop Double Girder Overhead Crane

• Designed for hull assembly, mold handling, and component positioning.
• Features extended spans and high hook heights.
• Can be customized with cabin control for better operator visibility.

QPR Precast Segment Handling Double Girder Bridge Crane

• Specialized for moving tunnel lining segments, U-shaped precast pieces, and rail components.
• Supports precise placement in rail yards and tunnel construction sites.
• Built for heavy-duty use with smooth trolley and bridge travel.

7. Manual & Off-Grid Applications

Some sites have no power supply or require simple, robust cranes.

SQ Manual Double Girder Overhead Crane

• Operated manually without electric power.
• Suitable for temporary sites, explosion-sensitive locations, or off-grid workshops.
• Simple design means easy maintenance and low cost.
• Usually fitted with hand chain hoists or manual trolleys.

If you want, I can help draft buying tips for each specialized crane type or key questions buyers should ask manufacturers!

Key Considerations for Buyers Selecting Double Girder Overhead Cranes

Buying a double girder overhead crane is a significant investment. It’s not just about the upfront price — you want a crane that fits your operations safely, efficiently, and cost-effectively for years to come. Here are the main points you should focus on before making your decision.

Lifting Capacity & Duty Class

First and foremost, consider the weight of the loads you’ll be lifting and how often the crane will be in use.

• Understand your maximum load: Always pick a crane with a lifting capacity slightly above your heaviest expected load to build in a safety margin.
• Duty class matters: This is about how frequently and intensively you use the crane. For light, occasional lifting, a lower duty class is fine. But if you’re running heavy loads several times a day, choose a crane rated for medium or heavy-duty use.
• Overloading risks: Don’t underestimate the importance of proper sizing — overloading can damage the crane, cause unsafe conditions, and increase maintenance costs.

Span & Hook Height

The physical dimensions of your crane have to match your building and workflow perfectly.

• Span: This is the distance between the two runway beams your crane travels on. It must cover your work area fully without leaving dead zones.
• Hook height: How high your crane can lift the load is crucial — this depends on the height of your building and any obstacles in the way.
• Clearance: Make sure there’s enough space for safe hook travel and any fixtures or materials you might need to handle.
• Customization: Most double girder bridge cranes are made to order, so provide your exact building dimensions and operational needs to the manufacturer to get a perfect fit.

Industry-Specific Features

Different industries have different challenges. Your crane needs features that match your working environment.

• Thermal insulation: Foundries or smelting plants require cranes with heat-resistant coatings and thermal protection to withstand high temperatures.
• Explosion-proof design: Chemical, oil, or gas plants often need cranes certified to explosion-proof standards (EX d, EX e) with sealed motors and special brakes.
• Grab buckets and magnets: For bulk handling or scrap yards, cranes equipped with specialized attachments like grabs or electromagnets speed up work and improve safety.
• Tandem lifting: If you deal with very large or awkward loads (like wind turbine parts or ship sections), cranes with multiple synchronized hoists help distribute weight evenly and reduce risk.

Power & Control Preferences

How you power and control your crane affects its safety and ease of use.

• Voltage & power supply: Check that the crane’s electrical requirements match your facility’s power system (single-phase, three-phase, voltage level).
• Control modes: Decide whether pendant control, cabin control, or wireless remote control best suits your operators and workflow.
• Safety features: Look for cranes with emergency stop buttons, overload protection, and smooth start/stop controls to prevent jerky movements.
• Remote operation: Wireless remotes improve operator safety by allowing control from a safe distance, especially in hazardous areas.

Budget & Lifecycle Costs

The initial purchase price is just the start — think long term.

• Upfront cost vs. value: Sometimes a cheaper crane ends up costing more due to frequent repairs, downtime, or higher energy use.
• Maintenance: Ask about availability of spare parts, ease of servicing, and recommended maintenance schedules.
• Energy efficiency: Modern cranes with energy-saving motors and variable frequency drives can reduce power consumption significantly.
• Warranty & support: Reliable manufacturers provide solid warranties and after-sales support, reducing your risk and helping keep the crane running smoothly for years.

Making a well-informed decision means balancing these factors carefully. Don’t hesitate to talk to crane suppliers and ask for detailed proposals tailored to your needs. The right double girder overhead crane will improve your operation’s safety, productivity, and bottom line.

If you want, I can help create a buyer’s checklist or a list of questions to ask suppliers to make your purchase easier!

Double girder overhead cranes for sale in China come in many types, including top running double girder cranes, double trolley cranes, and double girder gantry cranes, all engineered for specific industrial applications.
Whether you need a rugged double girder overhead traveling crane for steel mills, a precise double girder EOT crane for machinery manufacturing, or an explosion-proof model for hazardous environments, there is a perfect solution available.
Contact our experienced double girder overhead crane manufacturer and supplier today for expert advice, detailed drawings (DWG), and a customized quotation tailored to your project.