Gantry Crane

A-Type Double Girder Outdoor Gantry Crane

Span:18-35 meterLifting Height(m):10-14 meterCap:5-200/50t tonWork duty:A5-A6
Hydropower shaft gantry crane lifting a vessel Gantry crane overview Gantry crane engineering view Gantry crane project detail

Description

The A-type double beam gantry crane is a heavy-duty gantry crane lifting equipment with a crane hook block. This type of gantry crane has two parallel beams. And it also has an electric trolley that can move along the beams to achieve horizontal material handling. There are two operation modes: ground and control room. The control room has two types: open and closed. It can be installed on the left or right side according to the actual situation. The entrance direction has two types: side and end, to meet the needs of users in various situations.

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Specifications

Product Name A-Type Double Girder Gantry Crane
Lifting Capacity 5-200/50 ton
Work Duty A5
Span(m) 18-35
Lifting Height(m) 10-14
Crab travelling(m/min) 3.3-33/3.4-34/3.8-38/3.7-37
Trolley travelling(m/min) 3-30
Power Source 3-phase A.C. 50Hz 380V
Operational Method Ground Control+Remote Control

Advantages

When purchasing a marine travel lift for sale, it is recommended to conduct a professional evaluation in the following four areas:

Exceptional Load Stability

The A-shaped leg geometry and double parallel box-type main girders deliver superior bending and torsional rigidity, ensuring stability and safety even at maximum loads .

Massive Capacity & Wide Span

Rated from 5 up to 800 tons with spans of 18–35 meters, the dual-beam design provides wide-area coverage for large-scale logistics, steel yards, and port operations .

Built for Outdoor Harsh Conditions

Engineered for open-air environments, the crane features anti-corrosion coatings and robust wind load resistance (rated for 35 m/s storm-lock), with rail clamps and weatherproof components ensuring reliable operation in variable weather .

Precision Control & Low Maintenance

Variable frequency drive (VFD) with PLC enables smooth, energy-efficient control and precise positioning (up to ±1mm on advanced models). Modular design, forged wheels, and durable components reduce maintenance and extend service life .

Cases

Application

Product FAQs

Share the capacity, span, height, duty, environment and layout with our engineering team.
Yes. The lifting, trolley and travel systems can use frequency conversion to suit project requirements.
Standard protection includes limits, overload protection, emergency stop, braking and monitoring.
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About Weihua

Weihua is a leading Boat Lifting Cranes Manufacturer & Supplier with 37 years of engineering expertise and comprehensive production capabilities, offering one-stop solutions from design and manufacturing to installation and commissioning. Our product range encompasses Boat Lifting Cranes of various tonnages, spans, and drive configurations, widely deployed in ports, shipyards, marinas, and offshore engineering projects. Leveraging advanced production technology, stringent quality management systems, and a global customer service network, we deliver efficient, safe, and reliable ship handling solutions.

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Professional Service

Weihua, founded in 1988, has evolved into a global leader in China's intelligent manufacturing field. We specialize in smart crane R&D and production while offering AGV solutions. Our professional engineering, delivery, and after-sales teams provide one-stop technical support, customized solutions, on-site installation guidance, and rapid-response global services to ensure every project operates safely and efficiently.

Quality Assurance

We adhere to the strictest quality standards, ensuring that our products consistently meet or exceed industry expectations.

Global Reach

With a worldwide network, we serve clients across the globe, providing timely solutions to their crane needs.

Experienced Team

Our team comprises experts with extensive knowledge of crane, ensuring that we provide informed guidance and support.

Looking for a reliable crane manufacturer? Weihua will be your trusted partner!

Get In Touch

Please specify your requirement by referring to:

  • Which crane product do you need?
  • What is the maximum lifting capacity?
  • What lifting height is required?
  • What are the working conditions?
  • What is the expected frequency and duration?

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