Four Ropes Mechanical Clamshell Dredging Grab for Salvage Ships

Product introduction:

I. Basic Overview

Definition: The four-ropes Clamshell dredging grab is an efficient tool designed for underwater operations, including dredging, desilting, and salvage of channels, capable of handling silt, hard clay, iron-plated sand, blasted reefs, and even sunken ships.

Characteristics: It boasts high productivity, robust durability, straightforward maintenance, and user-friendly operation, enabling it to excel in harsh working conditions.

II. Technical Features

Multi-Cable Design: Employing a four-cable configuration, the grab ensures enhanced stability during lifting and closing, thereby improving operational safety and efficiency.

Sealing Capability: The internal pulleys of the grab incorporate multi-layer sealing technology, preventing the infiltration of water and sediment even in depths of several tens of meters, safeguarding its long-term performance.

Structural Strength: Through 3D virtual design and ANSYS strength verification and analysis, the grab's self-weight distribution is optimized, resulting in a longer service life.

III. Application Scope

Material Handling: Suitable for grasping various bulk materials with specific gravities ranging from 0.6 to 3.2t/m3, such as yellow sand, coal, mineral powder, cement, and bulk fertilizers.

Underwater Operations: Particularly adept at underwater channel dredging, desilting, and salvage tasks, it can effectively manage complex materials like silt, hard clay, iron-plated sand, and blasted reefs.

IV. Product Series

Manufactured by different factories, the four-cable double-flap dredging grab comes in various series and models to cater to diverse operational requirements. For instance, some manufacturers offer a comprehensive range spanning from 6t to 200t lifting capacities, compatible with single-cable, double-cable, or four-cable.

Our Services:
Act as a good adviser and assistant of client, we can help them to get rich and generous   returns  on their investment.

1. Pre-sale services:  
      a: Design customised project for clients.
      b: Design and manufcture products according to clients special requirement.
      c: Train technical personnel for clients.

2. Services during the sale:
      a: Help clients to find reasonable freight forwarders ahead of delivery.
      b: Help clients to draw solving plans.

3. After-sale services:
       a: Assist clients to prepare for the construction scheme.
       b: Install and debug equipment.
       c: Train the first-lin operators.
       d: Examine equipment.
       e: Take initiative to eliminate the troubles immediately.

If you are interested in our products, pls feel free to contact with us by email  or WECHAT/WHATAPP , if you can provide below inquiry informaion that would be better :

1. What kind grab do you need ? Elecrtic hydraulic grab, radio controlled grab, four rope grab ?

2.What kind bulk cargo will be discharged?

3. What's the (SWL)safe work Load of your crane ?

4.How many pcs do you need ?

5. Any special certificate request ?

6. Which port is the destination port ? 

Please never hesitate contact with me! Your reliable partner! 

My Whatsapp : +8615102153877