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doublegirdergantrycrane-4

Marine Portal Crane for Dock and Shipyard by CE/ISO

Henan Doria Mechanical Equipment Co., LTD.  is a big enterprise specialized in researching, developing, producing and exporting.
It mainly produces launching gantry crane, overhead crane and gantry crane, movable scaffolding system crane, portal crane and electric winch, electric hoist and all kinds of accessories, which widely used in metallurgy, electric power, petrochemical, military industry,

   

Marine Portal Crane for Dock and Shipyard by CE/ISO

   Henan Doria Mechanical Equipment Co., LTD is a big enterprise specialized in researching, developing, producing and exporting. It mainly produces launching gantry crane, overhead crane and gantry crane, movable scaffolding system crane, portal crane and electric winch, electric hoist and all kinds of accessories, which widely used in metallurgy, electric power, petrochemical, military industry, coal, aerospace, construction, railway and other national economic pillar industries.

Marine Portal Crane for Dock and Shipyard by CE/ISO

doublegirdergantrycrane-8
doublegirdergantrycrane-5

Marine Portal Crane for Dock and Shipyard by CE/ISO

Double-girder bridge cranes, also known as double-beam crane, the bridge moves along rails loaded on the elevated rail on both sides. The hoisting trolley runs laterally along the rails laid on the bridges to form a rectangular working range. The space under the bridge can be fully utilized to lift materials without being blocked by ground equipment. This kind of crane is widely used in indoor and outdoor warehouses, factories, docks and open storage yards. It is mainly composed of bridge frame, cart running mechanism, trolley, and electrical equipment. According to the frequency of use, it is divided into three working levels: A5, A6 and A7. All of its operation is done in the driver's cab.

Main parameters of double girder bridge crane: Lifting weight: 5 to 10 tons, 16/3.2 to 50/10 tons, 75/20 to 100/20 tons, 100/32 tons 125/30 to 250/50 tons, 300/40 tons, 350/75 tons, 400 /80 tons, 600/150 tons Span: 10.5 ~ 31.5 meters, 13 ~ 31 meters. Lifting height: 6 to 22 meters.

Marine Portal Crane for Dock and Shipyard by CE/ISO

Advantage

1. The main beam is made of excellent Q235 or Q345 steel.

2. Motor protection class IP54, Class F insulation, equipped with overload protection. (optional)

3. The gear of the reducer adopts helical gears to achieve automatic lubrication.

4. The operation control of the crane is controlled by cam. The driver's cab moves with the car, which makes it easier to control the position of the cargo.

5. Higher work level: A5~A7, which can meet the close working needs of customers.

6. The running speed is controlled by frequency conversion, which makes the cargo move and land more safely and accurately.

Packing and delivery:

1. Electric parts are packed by plywood crate to reduce distortion in conveying.
2. Main beams, end beams and trolley / winch are packed by plastic woven cloth. It can reduce abrasion during the transportation.
3. Some sizes are suitable for container ship.
4. Big size, usually by bulk ship or by container after truncation.
5. Transport methods are chosen based on reducing cost & keep safety.

Marine Portal Crane for Dock and Shipyard by CE/ISO

Ordering instructions

About the product: Please inform the following data so that we can quickly quote!  

1. Lifting tonnage  

2. span  

3. Lifting height (hook center to the ground)  

4. voltage  

5. Working conditions: working temperature and whether it is a special working environment  

6. If you have drawings, please provide  

If you have more information, please let us know and we will give you a more accurate price.

About delivery: Confirm the order and drawings, and deliver within 30 days after receiving the advance payment. About payment: 30% prepayment, 60% before shipment, 10% installed

Why choose us:

1. One-on-one professional service guarantees a better purchasing experience.

2. Strong production capacity and professional technicians guarantee your short delivery time.

3. Strict factory inspection guarantees you a higher quality product.

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Marine Portal Crane for Dock and Shipyard by CE/ISO

FAQ 

 

 1.  How can we install the crane?
      Our senior engineer can be your side to do the installation guide service and training. Moreover, our best sales can visit  your country.

 2. Can you provide the serious lifting tools?
      Sure, we can provide any lift tools such as lift sling belt, lift clamp, grab, magnet or other specials as your requirement!

 3.  The product I need is not standard, can you customize the products?

      Yes, we can customize, please send us your requirements, we will provide practical and reasonable solutions according to your working environment. 

4.  Can this crane  work in hazardous environment?
     Sure! We can customize for you, acid proof or explosion proof, no problem for that.

5.  Whether you can supply matched spare parts? 

      Yes, we can , as the crane manufacturer, we can supply related spare parts such as motor, hoists, winch, wheels, grabs, hooks, rails, beams etc. 

6.  Can I have a visit to your factory?

    You can come to our factory anytime when you are convenient. We will make arrangement to pick you up.

7.  How many days it will need for you to deliver the products?

     It depends on your products quantity and products data you given, but we will try our best to deliver your products as soon as possible.

 8.  Can you supply the quality certification?

     "Quality is priority." Yes, all kinds of certification are available, if you have doubt, you can come to our factory and test it by yourself,or you can let some third-partied to do the inspection for you.

Contact us

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