| Rated Lifting Capacity | Number of Sheaves | Applicable Equipment |
|---|---|---|
| 1t, 2t, 3.2t | 1 sheave | CD/MD electric wire rope hoist, small single girder overhead crane |
| 5t, 10t, 16t | 2 sheaves | Conventional electric hoist, LD single girder crane |
| 20t, 32t, 50t, 80t | 4 sheaves | Double girder crane, large tonnage wire rope hoist |