Four Ropes Clamshell Grab is generally designed for handling of powder and fine bulk materials. The grab overall structure is light and durable, offering high grabbing ratio, strong closing force and high material filling rate. It is normally attached to port cranes, deck cranes, ship unloaders and other type of cranes, which are widely used in ports, steel plants, power stations and vessels.
1. Four Ropes Clamshell Grab is an efficient tool for loading and unloading sands, coal, mineral powder and bulk chemical fertilizer.
2. The mechanical structure for opening & closing is succinct and original. It is easy to use and can work under any circumstances in order.
3. The grab is equipped for the crane which has two hoisting drums and used for grabbing bulk materials.
4. Now the grabs are widely used in ports, electricity, vessel, metallurgy, preservation and transportation, and are exported in batches.
The Following is the Technical Parameters of the Material Density 1.6t/m3 for your reference:
|Lifting Capacity (t)||6.3||8.0||10.0||12.5||16.0||20.0||25.0||32.0||40.0||50.0||63.0|
|Dead Weight (Kg)||4Pulley Ratio||2300||2800||3440||4500||5600||7360||8800||12160||15040||19200||24800|
|Volume (m3)||4Pulley Ratio||2.5||3.2||4.0||5.0||6.5||7.9||10.1||12.4||15.6||19.2||24.0|
|Wire Rope||Diameter (mm)||18||20||22||24||26||28||32||36||40||48||56|
|Length (m)||4Pulley Ratio||11.5||12.8||13.8||15.0||16.5||17.8||18.6||20.0||22.8||24.5||27.0|
|Diatance (mm)||4Pulley Ratio||5940||6600||7100||7680||8520||8920||9760||10440||11320||11960||13120|
Our provide services Before and After Sales as follow:
) 16 months warranty after installation and commissioning in addition to the human damage factors.
) 2 years spare-parts provided for better maintenance.
) Professional technical staffs provide installation, commissioning and training services.
) Delivery on time with English user manual, parts manual, product certification and other relevant certificates.
) Technical Consultation for any time
We offer the CCS third party certification, which is recognized world widely .What the CCS certificate tells:
1.the design all the productions drawings and the calculation is reasonable and meet the international
standards.CCS will audit all the productions drawings and calculation sheets before production.
2.The welding is good quality and meet the international standards.No damage detection report is required.
3.On site testing CCS inquiry the safety rate is 1.25times, which means the actual lifting capacity is 1.25
time the rated lifting capacity.And will issued exactly testing report according to the technical agreements.
1.Factory area 20000m3 with advanced equipment.
2.Experienced engineers and workers with many many practical experiences.
3.Top-quality cranes by strictly complying with the quality standards and using reliable brand purchased
parts original imported.
4.Safety protection devices--- we only offer safe cranes for the society.
Pls kindly send us your detailed specifications as follow if you are interested in our grabs.
1. What's the lifting material?
2. What's the cubage of the grab?
3. What's the maximum lifting weight of the crane?
4. What's the working environment?
We will offer you the best suitable grab with best price and quality. These specifications above can make it
clear about your requirements.