Purpose:
Hook-blocks are moving parts of hoisting tackles; they are used for round-trips, to support hanging of drilling and casing pipes, as well as of drill tools.
Advantages:
- - small dimensions in rotation radius and cast hook facilitate manual arrangement of pipes;
- - integrated extended cast latch provides automatic trapping of swivel bails;
- - hydraulic hook bumper and pointing device facilitates hook turning and hook –block handling, providing easy and safe operation during trapping and release of plugs;
| Parameter | UTBK4-160 | UTBK 5-270 | UTBK 5-225 | UTBK 6-320 | UTBK 5-320 | UTBK 6-400 | UTBK 6-500 | |
| Load capacity, tons |
160 | 270 | 225 | 320 | 320 | 400 | 500 | |
| Sheave number, pcs |
4 | 5 | 5 | 6 | 5 | 6 | 6 | |
| Sheave outside diameter |
760 | 1120 | 1120 | 1120 | 1400 | 1400 | 1400 | |
| Line diameter, mm |
28 | 32 | 32 | 32 | 35 | 35 | 35 | |
| Dimensions, m |
length | 2,93 | 3,82 | 3,95 | 4,25 | 4,37 | 4,37 | 5,28 |
| width | 0,81 | 1,17 | 1,17 | 1,16 | 1,45 | 1,45 | 1,45 | |
| height | 0,70 | 0,77 | 1,11 | 1,17 | 0,96 | 0,98 | 1,05 | |
| Weight, kg |
4280 | 5236 | 6134 | 7520 | 7970 | 10410 | 13100 | |
