Underwater Grab for River Dredging

Product Description

Hydraulic Dredging Grab for Dredging Ship
The grab is an effective tool for cleaning up silt, clay and iron sand in waterway. Usually used on dredging ships. the underwater grab can be designed and manufactured according to the different tonnage of the crane on the dredging ship.
It is simple of structure, easy operation and stable in working under all kinds of severe circumstances.

Technical Parameter

model (SG)	Material proportion (t/ m3)	Dead Weight (Kg)	Lifting Lodad (t)	Volume (m3)	Pulley		Wirerope			Dimension (mm)
model (SG)	Material proportion (t/ m3)	Dead Weight (Kg)	Lifting Lodad (t)	Volume (m3)	Diameter	Rate	Diameter	Length	Travel	A	B	C	D	E
SG10.0-1.6-4000	1.6	3600	10.0	4.0	450	2	22	14.0	4850	3740	4110	2510	4060	2460
SG12.5-1.6-5000	1.6	4500	12.5	5.0	500	2	24	15.0	5110	4090	4480	2620	4380	2580
SG16.0-1.6-6400	1.6	5760	16.0	6.4	560	2	26	16.5	5810	4480	4890	2760	4720	2760
SG20.0-1.6-8000	1.6	7200	20.0	8.0	630	2	28	18.5	6480	4960	5350	2960	5160	2940
SG25.0-1.6-10200	1.6	8680	25.0	10.2	630	2	32	19.6	6610	5100	5520	3260	5450	3170
SG32.0-1.6-12800	1.6	11520	32.0	12.8	710	2	36	21.0	7390	5690	6160	3520	6010	3320
SG40.0-1.6-16000	1.6	14400	40.0	16.0	800	2	40	23.8	8270	6320	3520	3820	6560	3520
SG50.0-1.6-20000	1.6	18000	50.0	20.0	900	2	44	25.5	8980	6760	7380	4120	6940	3790
SG63.0-1.6-25200	1.6	22680	63.0	25.2	1000	2	48	29.3	10780	7740	8280	4460	7910	4020

SG10.0-2.0-3300	2.0	3400	10.0	3.3	450	2	22	14.0	4850	3740	4110	2510	4060	2030
SG12.5-2.0-4100	2.0	4300	12.5	4.1	500	2	24	15.0	5110	4090	4480	2620	4380	2110
SG16.0-2.0-5200	2.0	5600	16.0	5.2	560	2	26	16.5	5810	4480	4890	2760	4720	2240
SG20.0-2.0-6600	2.0	6800	20.0	6.6	630	2	28	18.5	6480	4960	5350	2960	5160	2420
SG25.0-2.0-8300	2.0	8400	25.0	8.3	630	2	32	19.6	6610	5100	5520	3260	5450	2580
SG32.0-2.0-10400	2.0	11200	32.0	10.4	710	2	36	21.0	7390	5690	6160	3520	6010	2700
SG40.0-2.0-13000	2.0	14000	40.0	13.0	800	2	40	23.8	8270	6320	3520	3820	6560	2860
SG50.0-2.0-16200	2.0	17600	50.0	16.2	900	2	44	25.5	8980	6760	7380	4120	6940	3070
SG63.0-2.0-20400	2.0	22200	63.0	20.4	1000	2	48	29.3	10780	7740	8280	4460	7910	3250

Note: The above parameters for the performance of the existing cases of mature technical parameters are for reference only.
We can design and manufacture products according to user's requirements. There are various derivative models of said crane available for customers to choose.

About us:
Jiangsu Tonghui Lifting Equipment Co., Ltd. (THHI) Is located in Wuxi City, Jiangsu Province, near the scenic Taihu Lake. As a subsidiary company of Wuxi Jiangnan Mining Machinery Manufacturing Co., Ltd., the company specializes in manufacturing, processing and marketing of port lifting equipment, marine handing equipment, marine engineering special equipment, material handing equipment, non-standard metal structural parts and so on. It can meet the need of various projects.
The company now has more than 20 professional engineers and technicians with high and intermediate titles and more than 100 professional technicians of various types of work, which can meet the need of the company's current corresponding engineering projects. The company covers an area of more than 15,000 square meters, with 11,000 square meters of production workshop, 2,000 square meters of test site and 1,000 square meters of office complex building. There are more than 10,000 square meters of steel structure production base, machining workshop and more than 100 sets of sophisticated equipment and various complete testing instruments. The company has strong technical force and complete testing means. The whole process of the company's operation strives to implement the quality assurance system of ISO 9001:2008 standard.

THHI provides:

Designs to customer specification, including volume and weight.
Fast spare-parts delivery across the world.
Acceptance testing including certification such as BV, LRS, GL, ABS, and etc.

Our advantage:

As a leading manufacturer of 5000 square feet dedicated, licensed and certificated staff.
Mechanical and machinery design, structural design and analysis dynamic modeling and seismic, failure modes and effects analysis Auto CAD, 3DMax, Math CAD, Solid Works, ANSYS and SAP2000 Advanced.
All Main parts using reliable original imported brand.

Our Certificates:
THHI provide the SGS, CCS, BV, CE, ABS, ISO9000:2008, ISO14001:2004, OHSAS and etc certifications, also accept third party inspection, such as SGS Factory test etc.
What the CCS, BV, CE, ABS, certificates indicates:

All the product design drawing and calculation is reasonable and meet the international standard, all the productions drawing and calculation will be audit before production.
The welding meet the international standards, and no damage detection reports are required.
On the testing the actual lifting capacity is 1.25 times than the rated lifting capacity and will issued exactly testing report according to the technical agreements.

FAQ:
Q1: What's the information should I provide when inquiry?
A: Thanks for your question. The more information you provide, the more accurate solution we can prepare for you! The information such as the lift capacity, span, lift height, power source or other specials you give us will be more appreciated.
Q2: Is your products customized?
A: Yes, because of the different working condition, all our products are customized depending on detail requirement! So if you give us more information about the lift capacity, span, lift height, power source and other specials, we will give you a very quick quote!
Q3: How can we install the crane?
A: Our senior engineer can be your side to provide the installation guide service and training. Moreover, our best sales can visit your country.
Q4: Can you provide the serious lifting tools?
A: Sure, we can provide any lift tools such as lift sling belt, lift clamp, grab, magnet or other specials as your requirement!
Q5: How about your payment terms?
A: we accept T/T and L/C at sight.