Marine Grab
Product Characteristic:
The grab models used in marine generally
including electro-hydraulic clamshell bulk grab,remote control clamshell bulk
grab, and single rope touch open bulk grab.
Electro- Hydraulic Grab
The motor Hydraulic dual scoop Clamshell
Grab is specially designed for charging and discharging bulk materials and is
to be fitted on cranes with one single drum (ship cranes). There are electrical
motor and hydraulic pump inside the grab. The closing/opening of the grab
depend on the double acting hydraulic cylinders. But the ships cranes have to
be executed with accessories such as cable reeling drum, stabilizing rope drum
etc. And the price is high.
Remote Control clamshell bulk Grab
This kind of grab can work everywhere at
once, just hook on and go. No need any extra accessories. Grab close by crane
wire, grab open by remote control, just press the button' OPEN ' in radio
transmitter. Grab volume can be changeable to suit various bulk cargo with
different piled density. This grab model has the working efficiency close to
the motor hydraulic grab by 80%, and with less than half price of motor
hydraulic grab.
Single Rope Grab
This is a kind of pure mechanical grab
without electrical and hydraulic system, to open this type of grab, you have to
land the grab onto the cargo or hopper to unlock the system to close grab with
the wire cable of the crane. This kind of grabs work everywhere, just hook on
and go. Simply link the long ring on top of grab equalizer with hook of crane
.The grab model is ready to work and simple and reliable and economic. But the
working efficiency is slow compared with other two.
Product Application:
CCS NK ABS BV LR
Product Specification:
Electro- Hydraulic Grab
|
Volume（m3 ) |
Crane SWL |
Grab weight（t） |
cargo weight（t） |
working height(m) |
|
5 |
12 |
5 |
7 |
8.2 |
|
6 |
12 |
5.7 |
6.3 |
8.2 |
|
4-8 |
16 |
7.5 |
8.5 |
9.1 |
|
5-10 |
20 |
8.2 |
11.8 |
9.4 |
|
6-12 |
24 |
9 |
15 |
9.6 |
|
7-14 |
26 |
10.5 |
15.5 |
10 |
|
8-16 |
28 |
11 |
17 |
11 |
|
9-18 |
30 |
11.5 |
18.5 |
11.5 |
|
10-20 |
32 |
12 |
20 |
12 |
|
11-22 |
35 |
13 |
22 |
12.8 |
|
16-32 |
50 |
19 |
31 |
15.5 |
|
20-40 |
70 |
28 |
42 |
18 |
Remote Control Clamshell Grab
|
Volume（m3） |
Crane SWL |
Grab weight（t） |
cargo weight（t） |
working height |
|
5 |
12 |
5 |
7 |
8.2 |
|
6 |
12 |
5.7 |
6.3 |
8.2 |
|
4-8 |
16 |
7.5 |
8.5 |
9.1 |
|
5-10 |
20 |
8.2 |
11.8 |
9.4 |
|
6-12 |
24 |
9 |
15 |
9.6 |
|
7-14 |
26 |
10.5 |
15.5 |
10 |
|
8-16 |
28 |
11 |
17 |
11 |
|
9-18 |
30 |
11.5 |
18.5 |
11.5 |
|
10-20 |
32 |
12 |
20 |
12 |
|
11-22 |
35 |
13 |
22 |
12.8 |
|
16-32 |
50 |
19 |
31 |
15.5 |
|
20-40 |
70 |
28 |
42 |
18 |
Single Rope Touch Open Grab
|
Volume（m3） |
Working height |
Crane SWL |
|
1.5~3 |
8 |
6 |
|
2.5~4 |
8.5 |
8 |
|
3~5 |
9.5 |
10 |
|
3.5~6 |
9.5 |
12 |
|
4~8 |
10.5 |
16 |
|
5~10 |
11 |
20 |
|
6~12 |
11.5 |
24 |
|
8~14 |
12 |
28 |
|
9~18 |
13 |
32 |
|
12~22 |
15 |
40 |
Photo of Single Rope Touch Open Grab:
Photo of Electro- Hydraulic Grab:
Photo of Remote Control Clamshell Grab:
