Double Girder EOT Cranes Manufacturer in Chennai
Macroverse designs and builds double girder EOT cranes for capacities from 5 Tons to 100 Tons and spans up to 35 metres. Double girder overhead cranes are use two fabricated box girders with the hoist trolley running on rails mounted on top of them. This gives higher hook height, greater load capacity and better deflection control than a single girder crane. It also allows a double hoist overhead crane arrangement, with a main hoist and an auxiliary hoist on the same trolley, for heavy-duty, continuous and long-span work.
- Capacity: 5 Tons - 100 Tons
- Span: Up to 35 metres
- Standards: IS 3177, IS 807
- Best for: Steel and foundry shops, fabrication units and multi-shift operations
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Technical Specification of Macroverse Double Girder EOT Cranes
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CONFIGURATION
Configuration Options
Configure your Double Girder EOT Crane around your application
Trolley arrangement, girder construction and hoisting configuration can each be selected against your lifting capacity, span, headroom and duty requirements.
Trolley Arrangement
Open Winch or Low Headroom Hoist Trolley
Choose the trolley that fits your load and building height.
OPEN WINCH TROLLEY
For high capacities and long working hours.
The hoisting machinery is mounted on a trolley frame that travels on the top rails of both girders. This is the usual layout for high capacities and continuous duty.
- Higher capacity range
- Continuous-duty cycles
- Accommodates main and auxiliary hoists
- Easier access for maintenance
LOW HEADROOM HOIST TROLLEY
More hook height under a low roof.
The wire rope hoist is mounted between the girders. The hook sits closer to the girder, so you gain lift height where building height is restricted.
- Higher hook approach
- Compact trolley design
- Works in existing buildings
- Medium capacity range
Lifting Possibilities
Girder Construction
Box Girder or Lattice Girder
Select the girder construction according to span, capacity and stiffness requirements.
BOX GIRDER
The standard for double girder cranes
Fabricated box girders are built to the required deflection limits and give high torsional rigidity across heavy loads and long spans.
- High structural stiffness
- Deflection held to design limits
- Heavy capacity range
- Designed to duty class loading
LATTICE GIRDER
Lighter structure for very long spans.
Lattice (truss) girders reduce dead weight on long spans with moderate capacities, and let wind pass through on outdoor installations.
- Lower dead weight
- Very long span range
- Reduced wind load outdoors
- Considered case by case
Hoisting System
Hoisting Configuration
Single Hoist or Double Hoist
Match the hoist arrangement to your lifting tasks.
SINGLE (MAIN) HOIST
One hoist for primary lifting.
A single main hoist covers applications where every lift is within the rated capacity and uses the same speed range.
- Simpler configuration
- Lower initial cost
- Less maintenance
- One speed range for all lifts
DOUBLE HOIST (MAIN + AUXILIARY)
Two hooks, two speed ranges.
A double hoist overhead crane carries a main hoist for heavy loads and a faster auxiliary hoist for lighter loads. Light lifts move faster, and long components can be tilted or turned.
- Heavy and light lifts on one crane
- Faster auxiliary hoisting speed
- Supports load turning and tilting
- Reduces wear on the main hoist
How to Size a Double Girder EOT Crane
Choose a double girder EOT crane when your heaviest lift, span or duty cycle goes beyond what a single girder crane can handle. That covers loads above 16 Tons, spans beyond 30 metres, multi-shift or continuous operation, and applications needing maximum hook height or an auxiliary hoist. If your loads are light and occasional, a single girder crane will cost less upfront.
5 Key Inputs
To size your double girder EOT crane, we typically ask for:
Load Capacity
The heaviest single load to be lifted in tons
Span
The distance between runway rail centres.
Headroom
The clear height from the runway rail level to the lowest obstruction, such as roof trusses or lights. This sets your maximum hook height.
Duty Cycle
How often the crane lifts through a shift, and how many shifts it runs.
Environement
Indoor or outdoor use, and any corrosive, hot, dusty or hazardous conditions.
What Affects the Price of a Double Girder EOT Crane
A double girder EOT crane's price moves with capacity, span and duty class, along with hoist configuration, control system, drive technology and installation scope. Here are the key factors that influence the total project cost.
Capacity & Span
Heavier loads and longer spans need more steel and larger box girders.
Higher Capacity -> Higher Cost
Shorter Span ->
Longer Span
Longer Span
Hoist selection
Adding an auxiliary hoist or choosing an open winch trolley changes equipment cost.
Chain Hoist ->
Lower Cost
Lower Cost
Wire Rope ->
Higer Cost
Higer Cost
Control System
Controls add cost in a fixed order, with pendant control as the base case.
Pendant Control ->
Cost effective
Cost effective
Radio Remote Control
-> Higher Cost
-> Higher Cost
Drive system
VFD drives increase the initial cost but reduce load sway and mechanical wear. Over the crane's life, that can lower maintenance cost.
Standard Motor ->
Lower Initial Cost
Lower Initial Cost
VFD Drive ->
Higher Initial Cost
Higher Initial Cost
Installation scope
Whether Macroverse supplies only the crane, or the runway beams, gantry and electrification as well, changes the total project cost.
Crane Only → Crane
Crane + Runway + Gantry
Make sure you're comparing the same scope, configuration and specifications.
Discuss Your Requirements
Applications Across Industries
Double girder overhead cranes are used wherever loads are heavy, spans are long or the crane works continuously:
Steel Plants & Foundries:
Handling ladles, billets, coils and heavy castings
Heavy Fabrication & Engineering Units:
Lifting large assemblies and structural sections
Power Plants & Turbine Halls:
Installing and servicing heavy rotating equipment
Precast & Construction Material Yards:
Moving moulds, beams and slabs
Automotive & Manufacturing Plants:
Continuous multi-shift material handling
Warehousing & Logistics Hubs:
High-throughput lifting over long bays
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Design, Installation and Long-Term Support
Macroverse handles design, fabrication, factory testing, installation and commissioning for every EOT crane we supply, with AMC and genuine spare parts available after handover. Girder deflection, wheel loads and duty class are worked out for each crane, so the runway and building structure can be planned from the start.
AMC
Preventive maintenance and ongoing service
GENUINE SPARE PARTS
Original Macroverse replacement parts for continued operation
SUPPORT
Technical assistance from our team on request
Frequently Asked Questions
1. What capacity and span does a Macroverse double girder EOT crane cover?
Our double girder EOT cranes cover capacities from 5 Tons to 100 Tons and spans up to 35 metres. Lift height, speeds and duty class are customised to your application, and larger capacities can be reviewed on request.
2. What is the difference between a double girder and a single girder crane?
A single girder crane has one girder with the hoist suspended below it. A double girder crane, also called a double beam or bridge crane, has two girders with the trolley running on top. That gives higher capacity, longer spans and greater hook height, and it handles heavy-duty cycles better. It also costs more upfront.
3. Should I choose a box girder or a lattice girder?
Box girders are the standard for double girder cranes because of their stiffness and deflection control. Lattice girders can be considered for very long spans with moderate capacities where reducing dead weight matters. We recommend the construction after reviewing your span, load and duty.
4. What is a double hoist overhead crane and when do I need one?
A double hoist overhead crane has a main hoist and an auxiliary hoist on the same trolley. Choose it when you handle both heavy and light loads, want faster lifting for lighter loads, or need to turn or tilt long components.
5. When should I choose an open winch trolley over a low headroom hoist trolley?
Choose an open winch trolley for higher capacities, heavy-duty cycles and multi-shift use. A low headroom hoist trolley is the choice for medium capacities and for buildings where hook height is the constraint.
6. What information do I need before requesting a double girder crane quote?
Share your maximum load, span, available headroom, duty cycle, working environment and building or runway details. Whether you need an auxiliary hoist and which control type you prefer also help us quote accurately.
7. Can Macroverse install a double girder crane on an existing runway structure?
Yes, provided the existing runway beams and building structure can take the new crane's wheel loads. We recommend confirming this during enquiry, since retrofitting an existing structure changes both scope and lead time compared with a new installation.
Get in Touch
Share your load, span and building details and we'll size a double girder EOT crane for your facility. Get in touch with Macroverse, your double girder EOT crane manufacturer in Chennai, for a quote based on your requirements.
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