Grab For Digging And Dredging
Product Description

Digging and dredging grabs are heavy-duty mechanical equipment used to excavate and remove silt, sand, gravel and other materials. They are usually used in ports, waterways, rivers, lakes and ocean engineering to maintain and improve the navigation conditions of the waters. Its work by lowering the clamp into the water using a robotic arm or crane and then closing the clamp to grab the material at the bottom. These devices are often driven by hydraulic systems, allowing them to operate efficiently underwater. Dredges and dredge clamps are designed to accommodate different types of materials including fine sand, mud, gravel and silt.
Specification

|
Rated load/ton |
5 |
10 |
16 |
20 |
25 |
|
Span/m |
10-40 |
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|
Lifting height/m |
22 |
||||
|
Working class |
A6/3M |
||||
|
Lifting speed/m/min |
40.8 |
40.26 |
41.8 |
48.5 |
38.8 |
|
Open-close speed/m/min |
40.8 |
40.26 |
41.8 |
48.5 |
38.8 |
|
Trolley running speed/m/min |
44.5 |
45.6 |
43.2 |
43.2 |
43.2 |
|
Crane running speed/m/min |
92 |
86.5 |
87 |
87 |
87 |
|
Dead weight/t |
17.5~38.5 |
25.1~46.6 |
43~63 |
50.6~70.7 |
54.2~75.8 |
|
Number of wheel |
4 |
4 |
4 |
4 |
4 |
|
Max. wheel pressure/KN |
75~17.4 |
117~186 |
202~258 |
235~302 |
255~320 |
|
Steel track recommended |
P43 |
P43 |
P43 |
QU70 |
QU70 |
|
Power supply |
3AC 220~480V 50/60Hz |
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