Marine Dredge Grab Clamshell Bucket for Cranes
This system is generally provided on a single rope hook which has a hydraulic operating system. The opening and closing cycle of the Grab is controlled through transmitter and receiver units.
These Grabs are available in the capacity from 1m3 to 25m3. Higher capacity grab can be also designed and manufactured demand on customers'
Material Packing density ( Specific gravity) | t/m3 | < 1.2 | 1.25-2.0 | 2.0-2.8 | >2.8 |
Match Grab Type | Light Type | Middle Type | Heavy Type | Over Heavy Type |
1. The capacity is from 5 CBM to 20 CBM;
2. Control distance is 200 meters;
3. Grab material is Q235B and Q345B (ASTM A6);
4. A single steel rope to lift grab is enough, especially for the Deck crane or Portal crane
| Category | Unit | JT-mini | JT-02 | JT-04 | JT-06 | JT-08 |
| Rotation angle | 360 | 360 | 360 | 360 | ||
| Oil pressure | bar | 80-120 | 110-140 | 120-160 | 150-170 | 160-180 |
| Operating flow | lpm | 25-40 | 30-55 | 50-100 | 90-110 | 100-140 |
| Excavator weight | ton | 1.5-3 | 4-6 | 6-9 | 12-16 | 17-23 |
| Open width | mm | 750 | 1260 | 1300 | 1700 | 2200 |
| Weight | kg | 108 | 263 | 280 | 730 | 1260 |
1. The capacity is from 5 CBM to 20 CBM;
2. Control distance is 200 meters;
3. Grab material is Q235B and Q345B (ASTM A6);
4. A single steel rope to lift grab is enough, specially for a Deck crane or Portal crane;
1. Our Shipyard: Ningbo Zhenhe shipyard, and now Taihang is the branch representative of our yard.
2. Our founding team has experience of more than 15 years in shipbuilding and ship repair with our engineer and designer.
3. Equipment quality guarantee: Based on shipyard feedback, we built up a manufacturer file to ensure the good quality of the products. Also, we can send our engineers to help our clients to install and test this exported equipment.
4. We are a second-hand ship broker to help you find the satisfied used different kinds of vessels.
5. We can provide the CKD kits and one-stop service based on our laser-cutting machine and purchase ability
6. We have a very professional design and technical team to work out the perfect plan for our clients and help to solve any matters with pre-sale and after-sale.
7. Customer Distribution: Tanzania, Rwanda, India(Mumbai and Kolkata), Suva, Portugal, Russia, Netherlands, Iceland, Denmark, Malaysia, Mexico.......
