DDZ series elevators are center latch elevators with 18 degree taper shoulder, applied in handling the drill pipes and drilling tools, etc. The load ranges from 100 tons to 500 tons and the size ranges from 2-3/8 to 6-5/8. The products shall be designed and manufactured according to the requirements in API Spec 8C Specification for drilling and production hoisting equipment.
| Model | Size (in) | Rated Capacity (short ton) | Remark | |
|---|---|---|---|---|
| DDZ-100 | 2.3/8-5 | 100 | MG | |
| DDZ-150 | 2.3/8-5.1/2 | 150 | RG | |
| DDZ-250 | 2.3/8-5.1/2 | 250 | MGG | |
| DDZ-350 | 3.1/2-5.7/8 | 350 | GG | |
| DDZ-350TD | 3.1/2-5.7/8 | 350 | for Top Drive | |
| DDZ-500 | 3.1/2-6.5/8 | 500 | HGG | |
| DDZ-500TD | 3.1/2-6.5/8 | 500 | for Top Drive | |
| DDZ-750 | 4-6.5/8 | 750 | ||
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