MG Type Double Girder Gantry Crane

1t-20t

Lifting capacity

7.5m-22.5m

Span

6-30m

Lifting height

A3-A5

Working class

Service Advantages

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Rapid Response Principle

Quality issues reported by customers must be responded to within 4 hours.

For critical issues, technical service personnel must arrive on-site within 24 hours.

All departments must prioritize resolving customer quality issues promptly.

After-sales Service

Conduct technical training tailored to customer needs and promptly enhance products based on feedback.

Strictly implement the "Three Guarantees" service policy for products.

Resolve customer issues within 8 hours. Service engineers remain on standby 24/7 and must not leave the site until issues are resolved unless authorized by the customer.

Technical Parameters

Lifting capacity	Typically ranges from 5 to 500 tons; specialized models for metallurgy and ports can reach up to 1,000 tons.
Lifting height	12 to 50 meters; port models typically exceed 30 meters.
Span	18 to 50 meters (customizable for non-standard sizes); larger spans require reinforced main beam design.
Work class	A5 to A7 (heavy-duty high-frequency), suitable for 24-hour continuous operation.
Travel speed	20 to 60 m/min (variable frequency speed control), with optional ±5 mm precise positioning.
Trolley travel speed	10 to 40 m/min, dual-track drive, anti-climbing track design.
Power supply voltage	can be configured according to requirements.

Product Features

The MG-type double-girder gantry crane is a core lifting equipment for heavy industry, featuring high tonnage, high stability, and multi-functional expansion capabilities. It is widely used in ports, metallurgy, energy, and other industries.

Product Description

The MG-type double-girder gantry crane is a heavy-duty lifting equipment with high tonnage and stability, featuring a double-girder box-type structure and equipped with a hoist-type lifting mechanism. It is suitable for heavy-duty material handling in industries such as ports, metallurgy, logistics, and energy. This model features strong load-bearing capacity, smooth operation, and high expandability, and complies with the JB/T 14405-2011 and GB/T 3811-2008 standards.

Product advantages

Exceptional Load-bearing Capacity

Double main girder box-type structure, with a lifting capacity of 5 to 500 tons (up to 800 tons+ for metallurgy applications) and a span of 18 to 50 meters.
High Stability Design

Combination of rigid and flexible legs for wind and earthquake resistance, suitable for outdoor operations (optional wind anchoring available).
Multi-Functional Expansion

Can be equipped with hoisting mechanisms, grabs, electromagnetic lifters, container handling devices, etc., to adapt to complex working conditions.
Intelligent Control

Variable frequency speed control + PLC control, positioning accuracy ±5 mm, optional automated operation (unmanned).