Model DD center latch elevators with square shoulder are suitable for handling drill collars,casing and tubings.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 8A/8C Specification for drilling and production hoisting equipment.
Model |
Size（in） |
Rated Capacity (short tons) |
DD/150 |
2.3/8-5.1/2 |
150 |
DD/200 |
2.3/8-5.1/2 |
200 |
DD/250 |
2.3/8-5.1/2 |
250 |
DD/350 |
2.3/8-5.1/2 |
350 |