When it comes to heavy lifting operations, the crane hook plays a critical role in ensuring safe and efficient material handling. For lifting capacities like 20 ton, the design and dimensions of the crane hook become even more vital. In this blog post, we’ll explore the 20 ton crane hook dimensions, their importance, typical specifications, and how to choose the right hook for your application.
A 20 ton crane hook is an industrial-grade lifting component designed to bear loads up to 20 metrieke ton (20,000 kg). It is commonly used in overhead cranes, Gantry -hyskrane, and jib cranes in heavy-duty industries such as steel plants, shipyards, pakhuise, and construction sites.
The dimensions of a crane hook directly affect:
Load distribution
Safety and durability
Compatibility with slings, boeie, and loads
Compliance with standards (DIN, Vrou, ISO)
Incorrect dimensions can lead to poor performance, excessive wear, or even accidents.
| Parameter | Enkele haak | Dubbele haak |
| Rated Capacity | 20 ton kraanhaak | 20 ton |
| Materiaal | High-strength alloy steel | High-strength alloy steel |
| Haakopening (B) | 85 – 100 mm | 75 – 90 mm |
| Hook Height (H) | 400 – 500 mm | 350 – 450 mm |
| Hook Width (W) | 200 – 250 mm | 180 – 230 mm |
| Shaft Diameter (D) | 75 – 90 mm | 70 – 85 mm |
| Throat Depth | 60 – 80 mm | 60 – 75 mm |
| Gewig | ~55 – 70 kg | ~60 – 80 kg |
Note: Actual dimensions may vary depending on the hook type (forging or laminated), vervaardiger, and standards used.
1. Forged Crane Hooks
Manufactured from a single piece of high-strength steel
Common in general overhead lifting applications
2. Laminated Crane Hooks
Built by stacking steel plates
Ideal for extreme environments or when a backup load path is needed
3. Single Hook vs. Dubbele haak
Enkele haak: Simple structure, used in one-direction lifting
Kraan dubbele haak: Symmetrical lifting, reduces lateral load stress
When selecting a 20 ton kraanhaak, consider:
1. Application environment (temperature, humidity, korrosie)
2. Load characteristics (static or dynamic load)
3. Operational frequency
4. Compliance with OSHA, ISO, or DIN standards
5. Compatibility with hoisting equipment
1. Perform regular inspection and maintenance
2. Replace hooks showing signs of deformation, dra, of krake
3. Ensure the hook latch is always in place
4. Use the hook within its rated capacity
Understanding 20 ton crane hook dimensions is essential for safe and efficient lifting operations. By choosing the right hook size and type based on your industrial needs, you ensure the longevity of your lifting equipment and the safety of your operation. Always consult with a reputable manufacturer or supplier to confirm exact specifications and standards compliance.
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