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Dredging Grab:
Large dredging grab is an effective tool for dredging silt, hard mud, iron plate sand, blasting reef and even sunken ship. This kind of grab is efficient, durable, easy to maintain, easy to operate, and working well under harsh conditions.
The pulleys in the grab with many seal, which ensures that the grab will not permeate the water and sediment in seawater. After years of research, our company has developed a series of products from 6t to 200t. This type of grab is suitable for single ,two and four rope crane.
Model | Capacity(m3) | Material | Dead | Dimension(mm) | Pulley Dia(mm) | Ratio | SWL(t) | ||||
A | B | C | D | E | |||||||
QS6SJ[1]4A | 1 (00) | sludge | 4 | 2380 | 3458 | 3533 | 4083 | 1320 | 560 | 5 | 6 |
QS12SJ[1.5]6.5A | 1.5(00) | Stiff mud | 6.5 | 3020 | 4039 | 3772 | 4532 | 1500 | 560 | 5 | 12 |
QS20SJ[5]8A | 5(300) | sludge | 8 | 3260 | 5042 | 4502 | 5280 | 1820 | 650 | 4 | 20 |
QS30SJ[5]13B | 5(150) | Stiff mud | 13 | 3740 | 5450 | 4942 | 5916 | 2012 | 800 | 5 | 30 |
QS55[5.5]35BSJ | 5.5(00) | Rock | 35 | 3960 | 5812 | 5614 | 6565 | 2150 | 880 | 6 | 55 |
QS45SJ[4]25AV | 4(250) | Rock | 25 | 3840 | 5657 | 5748 | 6715 | 1950 | 880 | 6 | 45 |
QS46SJ[5]36BV | 5(250) | Rock | 36 | 3600 | 5947 | 6164 | 7125 | 1940 | 880 | 6 | 45 |
QS45SJ[8]28AV | 8(250) | Stiff mud | 28 | 4040 | 6632 | 6494 | 7364 | 2102 | 880 | 6 | 45 |
QS55SJ[5]32B | 5(250) | sludge | 32 | 3960 | 5734 | 7194 | 8167 | 1940 | 880 | 5 | 55 |
QS70SJ[16]48AV | 16(250) | sludge | 48 | 5130 | 7712 | 7415 | 8724 | 2954 | 1045 | 6 | 70 |
QS80[8]60AV | 8(250) | sludge | 60 | 4130 | 6695 | 7189 | 7753 | 2530 | 1045 | 7 | 80 |
QS80SJ[11]55BV | 11(250) | Stiff mud | 55 | 5120 | 7780 | 7553 | 8924 | 2420 | 1045 | 7 | 55 |
QS200SJ[9]110BV | 9(250) | · shipwrecks ·
| 110 | 5465 | 7202 | 8666 | 10264 | 3000 | 1500 | 7 | 110 |
Orange peel dredging grab:
Clamshell dredging grab:
