Type DD
Description
DD elevators with Central locking and direct seat allow work with casing and drill pipes, drill collars and tubing, etc. load Capacity of 150 — 350 tons, diameter 23/8-51/2. All products fully meet the international requirements of API Spec 8C.
| The type of Elevator | Pipe diameters, (in) | Gruzopodemnostju, (short tons) | ||
| Casing | UBT | Tubing | ||
| DD-150 | 23/8-51/2 | 41/2-51/2 | 23/8-41/2 | 150 |
| DD-250 | 23/8-51/2 | 41/2-51/2 | 2g>3/8-41/2 | 250 |
| DD-350 | 23/8-51/2 | 41/2-51/2 | 23/8-41/2 | 350 |