Rotary Type Hydraulic Cathead
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The rotary hydraulic cathead is widely used to tighten or loosen joints in drilling and service operations. Ideal for hauling and lifting weight, the rotary wellhead features hydraulic drive and brakes, a high start torque, stable running, low noise, and safe and reliable performance. The cathead is designed and manufactured according to API Spec 7K Specification for Drilling Equipment.
Feature
1. Used to tighten or loosen joints
2. High start torque, stable running, low noise, safe and reliable
3. API Spec 7K
| Model | | | ||||||
| Secondary drum | Main drum | Secondary drum | Main drum | |||||
| Flow rating | L/min | 40 | 120 | 120 | 120 | 120 | ||
| gpm | 10.6 | 31.7 | 31.7 | 31.7 | 31.7 | |||
| Pressure rating | MPa | 16.6 | 16.6 | 16.6 | 16.6 | 20 | ||
| psi | 2400 | 2400 | 2400 | 2400 | 2900 | |||
| Pull rating | kN | 20 | 50 | 130 | 30 | 100 | 30 | 180 |
| US ton | 2.2 | 5.5 | 14.3 | 3.3 | 11 | 3.3 | 19.8 | |
| Average rope speed | m/min | 30 | 42 | 14 | 65 | 15 | 54 | 10.8 |
| ft/min | 98 | 137 | 46 | 212 | 49 | 176 | 35 | |
| Wire rope diameter | mm | 10 | 18 | 24 | 25.4 coir rope | 24 | 25 | 25 |
| in | 3/8 | 23/32 | 15/16 | 1 | 15/16 | 1 | 1 | |
| Rope storage | m | 15 | 50 | 40 | 50 | 40 | 12 | 20 single |
| ft | 49 | 164 | 131 | 164 | 131 | 39 | 65.5 | |
| Size | mm | 580*400*430 | 878*560*600 | 1120*730*750 | 1072*580*618 | 1780*1280*1220 | ||
| in | 23*16*17 | 34.5*22*23.5 | 44*29*29.5 | 42*23*24 | 70*50*48 | |||
| Weight | kg | 160 | 280 | 400 | 800 | 2484 | ||
| lb | 353 | 617 | 882 | 1764 | 5477 | |||
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