Elevators Type DD
Model DD center latch elevator with square shoulder are suitable for handling drill collars, casings and tubing.
Product Description
Product Description
Model DD center latch elevator with square shoulder are suitable for handling drill collars, casings and tubing. The load ranges from 150 tons to 350 tons and the size ranges from 2 3/8 to 5 1/2. The products shall be designed and manufactured according to API Spec 8A/8C Specification for drilling and production hoisting equipment .
Elevators Type DD Main Technical parameters
| Model | Size ( in) | Rated capacity (short tons) | ||
| （DP） | （casing） | （Tubing） | ||
| DD—100 | 2 3/8—5 1/2 | 4 1/2—5 1/2 | 2 3/8—4 1/2 | 150 |
| DD—250 | 2 3/8—5 1/2 | 4 1/2—5 1/2 | 2 3/8—4 1/2 | 250 |
| DD—350 | 2 3/8—5 1/2 | 4 1/2—5 1/2 | 2 3/8—4 1/2 | 350 |
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