Type DD Center Latch Elevators
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Type DD Center Latch Elevators （Applicable square shoulder） |
Elevator |
Clamping pipe diameter Size（in） |
Rated Load |
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|
Drill Collar |
Tubing |
Casing |
|||
|
DD-150 |
2.3/8"-5.1/2" |
2.3/8" -4.1/2" |
4.1/2" -5.1/2" |
150 |
|
|
DD-250 |
2.3/8"-5.1/2" |
2.3/8" -4.1/2" |
4.1/2" -5.1/2" |
250 |
|
|
DD-350 |
2.3/8"-5.1/2" |
2.3/8" -4.1/2" |
4.1/2" -5.1/2" |
350 |
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Type DD Center Latch Elevators with square shoulder are suitable for handling drill collar, drill pipe, casing and tubing.The load ranges from 150 tons to 350 tons. The size ranges from 2 3/8 to 5 1/2 in. The products are designed and manufactured according to the requirements in API Spec 8C Standard 'Specification for Drilling and Production Hoisting Equipment'.
