| 型 号Model | 适用管径Applicable diameter of tubulars(in) | 最大载荷Rated Capacity(short tons) |
| DD-150 | 4. 1/8 – 8. 5/8 | 150 |
| DDZ-500 | 3.1/2-6. 5/8 | 500 |
Elevator, Handling Tools
| 型 号Model | 适用管径Applicable diameter of tubulars(in) | 最大载荷Rated Capacity(short tons) |
| DD-150 | 4. 1/8 – 8. 5/8 | 150 |
| DDZ-500 | 3.1/2-6. 5/8 | 500 |