Gold Member Since 2015
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Jiangsu Zhendong Port Machinery Manufacturing Co., Ltd.

Dredging Grab, Machinery, Rope Grab manufacturer / supplier in China, offering Rope Clamshell Underwater Dredging Grab, Offshore /Dock/Port Electric Tyre Mobile Crane, Fixed Dust Proof Type Hopper Dry for Unload Truck and so on.

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Rope Clamshell Underwater Dredging Grab

FOB Price: US $12,000-70,000 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $12,000-70,000/ Piece
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Port: Shanghai, China
Production Capacity: 45piece/Year
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: ZPM50
  • Application: Hoisting Machinery
  • Condition: New
  • Transport Package: According to The Export Standards
  • Origin: Changshu Jiangsu
  • Type: Excavator Bucket
  • Certification: CE, ISO9001: 2000, ISO9001:2008
  • Trademark: ZDPM
  • Specification: According To The Export Standards
  • HS Code: 8431410000
Product Description

 Rope Clamshell underwater Dredging Grab

 Rope Clamshell underwater Dredging Grab is mainly used for digging sludge and dinas underwater in order to dredge fairways. The opening and closing process is realized by the steel wire ropes in the hoisting mechanism and its closing force roots in its pulley block. Its structure is optimized to reduce the water surface tension when it leave the water surface. 
Features: simple structure, convenient operation, high efficiency, low malfunction rate.
Rope Clamshell Underwater Dredging GrabRope Clamshell Underwater Dredging Grab
Rope Clamshell Underwater Dredging Grab
Type&SizeGrab volume (Dome)
Main grab materialDead weight (t)

Dimensions (mm)Diameter of Sheave (mm)Pulley blockCrane lifting weight (t)
BS6SJ[1]4A1 (00)Mud423803458353340831320Ø56056
BS12SJ[1.5]6.5A1.5(00)Hard Mud6.530204039377245321500Ø560512
BS30SJ[5]13B5(150)Hard Mud1337405450494259162012Ø800530
CS45SJ[8]28AV8(250)Hard Mud2840406632649473642102Ø880645
CS80SJ[11]55BV11(250)Hard Mud5551207780755389242420Ø1045755
Our Services

16 months warranty after installation and commissioning unless the human damage factors.

24/7/365 day service ,2 years spare-parts provided for better maintenance.
Staff of experienced professional engineers provide installation group , commissioning and training service.
Provide with on time English user manual, parts manual, product certification and other relevant certificates.
Oversea or on site Technical Consultation for any time.


Our Advantage:
As a leading manufacturer of 60,000 square feet.dedicated ,licensed and certificated staff.
Mechanical and machine design , structural design and analyses .
Dynamic modeling and seismic , failure modes and effects analyses
Auto CAD, 3DMax, Math CAD, Solid Works, ANSYS and SAP2000 Advanced 
All Main parts using reliable original imported brand

Our certificates:

 ZDPM 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:
  1. All the product design drawing and calculation is reasonable and meet the international standards.all the productions drawings and calculation will be audit before production.
  2. The welding meet the international standards,and no damage detection reports are required.
  3. 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.

About us
ZDPM with the industry experience and development of more than 10 years,is one of the leading manufacturers of marine machine such as marine cranes, grabs, container spreaders, port cranes ,crane clamps ,hoppers and other spare parts.

ZDPM committed not only supply high quality, on time delivery, reliable after sales service,but also offer the most competitive prices.welcome to visit our factory!

Rope Clamshell Underwater Dredging Grab

Pls kindly send us your detailed specifications as follow if you are interested in our grabs.
1. What's the lifting material? 
Tips: Grain, Sulfur, Chemical fertilizer, steel scrap, timber, coal mine, iron mine or garbage?
2. What's the cubage of the grab?
3.Crane Tone (The tonne of the crane )
or what kind of the crane that the grab working with?
4.What's the maximum lifting weight of the crane?
5.what is the grab grasp material density?(t/m3 )
If possible could you show us a pic or send us your tech drawing for our info?
7. What's the working environment?
8.Your nearest port: Tips: We quote CIF price need the port. FOB price please note FOB}
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