Key Features
- High-strength cast steel construction for maximum durability
- Sealed roller bearings ensure smooth rotation and minimal friction
- Hot-dip galvanized finish for excellent corrosion resistance
- Available in multiple sheave diameters and safe working load (SWL) ratings
- Suitable for use with wire rope and synthetic rope
- Individually tested and certified for marine use
Technical Specifications
| Specification | Details |
|---|---|
| Product Type | Cargo Block |
| Material | Cast Steel |
| Bearing Type | Roller Bearing |
| Sheave Diameter | 6", 8", 10", 12" |
| Safe Working Load (SWL) | 2 to 20 metric tons |
| Recommended Rope Diameter | 1/2" to 1" (12–26 mm) |
| Finish | Hot-dipped galvanized |
| Application | Cargo handling, ship rigging, deck equipment |
Frequently Asked Questions
What is a cargo block used for?
A cargo block is a heavy-duty pulley used on ships to guide and support wire or synthetic rope in cargo handling and rigging systems. It reduces friction and changes the direction of the rope while under load.
What does Safe Working Load (SWL) mean?
SWL is the maximum load a block is designed to safely handle during normal use. It is critical to never exceed the rated SWL to prevent equipment failure and ensure safety.
How do I choose the right cargo block size?
Selection depends on the rope diameter, load requirements, and application. Consult the SWL rating and sheave diameter to ensure compatibility with your existing rigging.
Are these cargo blocks suitable for saltwater use?
Yes, the hot-dipped galvanized finish provides excellent corrosion resistance, making them suitable for sustained use in marine and saltwater environments.
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